Chemical Name

CAS-Number

Colour/Form

Boiling Point (°C)

Melting Point (°C)

Molecular Weight

Solubility in Water

Relative Density (water=1)

Relative Vapour Density (air=1)

Vapour Pressure/ (Kpa)

Inflam.
Limits

Flash Point (°C)

Auto Ignition Point (°C)

BORON
7440-42-8

polymorphic: alpha-rhombohedral form, clear red crystals; beta-rhombohedral form, black; alpha-tetragonal form, black, opaque crystals with metallic luster; amorphous form, black or dark brown powder; other crystal forms known

2550

2300

10.81

insol

Amorphous, 2.3 g/cm³; alpha-­rhombohedral, ­2.46 g/cm³; ­alpha-­tetragonal, ­2.31 g/cm³; ­beta-rhom­bohedral, ­2.35 g/cm³

@ 2140 °C

580

BORIC ACID, DISODIUM SALT
1330-43-4

powder or glass-like plates; white, free-flowing crystals; light grey solid

1575

741

201.3

2.56 g/100 g

2.367

BORON OXIDE
1303-86-2

rhombic crystals; colourless, semitransparent lumps or hard, white crystals

1860

450

69.6

2.77 g/100 g

1.8 (amorphous); 2.46 (crystalline)

BORON TRIBROMIDE
10294-33-4

colourless liquid

90

-46.0

250.57

reacts

@ 18.4 °C/4 °C

8.6

@ 14 °C

BORON TRICHLORIDE
10294-34-5

12.5

-107

117.16

@ 12 °C/4

4.03

@ 12.4 °C

BORON TRIFLUORIDE
7637-07-2

colourless gas

-99.9

-126.8

67.82

reacts

@ 4 °C

2.4

@ -141 °C. (solid); 760 mm Hg 110.7 °C (liquid)

BORON TRIFLUORIDE ETHERATE
109-63-7

liquid; colourless

125.7

-60.4

141.94

1.3572

64 oc

DECABORANE
17702-41-9

white crystals; orthorhombic crystals; colourless or white crystalline needles

213

99.5

122.21

sl sol

@ 25 °C; liquid: 0.78

4.2

@ 25 °C

80 cc

149

DIBORANE
19287-45-7

colourless gas

-92.5

-165

27.69

sl sol

@ 15 °C

0.96

@ -112 °C

0.8 ll
88 ul

flammable gas

40-50

PENTABORANE
19624-22-7

colourless liquid

60

-46.6

63.2

reacts

@ 0 °C/4 °C

2.2

22.8

0.42 ll
98 ul

30 cc

35

SODIUM PERBORATE
7632-04-4

white, amorphous powder

81.80

SODIUM TETRAHYDROBORATE
16940-66-2

white cubic crystal; white to gray-white microcrystalline powder or lump

400 decomp slowly; 500 decoMelting Point rapidly

36

37.8

v sol

1.07

SODIUM TETRABORATE DECAHYDRATE
1303-96-4

colourless, monoclinic crystals; hard crystals, granules or crystalline powder; white, gray, bluish or greenish white streak, vitreous or dull luster

320

75

381.4

5.92 g/100 g

1.73

TRIETHYLBORANE
97-94-9

colourless liquid

95-96

-92.9

98.00

@ 23 °C

TRIMETHYL BORATE
121-43-7

water-white liquid

67-68

-29.3

103.9

reacts

0.91

3.6

@ 25 º

< 27 cc

Chemical Name

CAS-Number

Physical

Chemical

UN Class or Division / Subsidiary RisksChemical

BORON OXIDE
1303-86-2

Reacts slowly with water to form boric acid • Corrosive to metals in the presence of oxygen

8

BORON TRIBROMIDE
10294-33-4

The vapour is heavier than air

May explode on heating • The substance decomposes on contact with alcohol producing toxic and corrosive fumes (hydrogen bromide) • The solution in water is a strong acid, it reacts violently with bases and is corrosive to metals, rubber and wood • Reacts violently with water producing hydrogen gas, causing explosion hazard

2.3/ 8

BORON TRICHLORIDE
10294-34-5

The gas is heavier than air

Reacts violently with water • On contact with air it emits hydrogen chloride • Attacks many metals in presence of water

2.3/ 8

BORON TRIFLUORIDE
7637-07-2

The gas is heavier than air

The substance will polymerize unsaturated compounds • The substance decomposes on contact with water and moisture, producing toxic and corrosive fumes including hydrogen fluoride, fluoroboric acid and boric acid • Reacts violently with metals such as sodium, potassium and calcium, and with alkyl nitrates • Attacks many metals in presence of water

8/ 3

BORON TRIFLUORIDE ETHERATE
109-63-7

4.1/ 6.1

DECABORANE
17702-41-9

Dust explosion possible if in powder or granular form, mixed with air

May explode on heating or contact with flames • The substance decomposes slowly on heating to 300°C to form boron and the flammable gas, hydrogen, and on burning producing toxic fumes (boron oxides) • Reacts with halogenated materials and ethers to form impact-sensitive materials • Undergoes explosive reaction with oxidants • Reacts with water or moisture to form flammable gas • Attacks natural rubber, some synthetic rubbers, some greases and some lubricants • Ignites in oxygen at 100°C • Reacts with amides, acetone, butyraldehyde, acetonitrile at room temperature

2.3/ 2.1

DIBORANE
19287-45-7

The gas mixes well with air, explosive mixtures are easily formed • Will ignite spontaneously in moist air at room temperature

The substance will polymerize to form liquid pentaborane • The substance decomposes at red heat to boron and hydrogen, and at lower temperatures to hydrogen and boron hydrides • Reacts spontaneously with chlorine and forms hydrides with aluminum and lithium which may ignite spontaneously in air • Reacts with many oxidized surfaces as a strong reducing agent

4.2/ 6.1

PENTABORANE
19624-22-7

The vapour is heavier than air

The substance decomposes slowly on heating to 150°C to form boron and the flammable gas hydrogen, and on burning producing toxic fumes (boron oxides) • Reacts with oxidants and halogens causing fire and explosion hazard • Impure material ignites spontaneously in air • Shock-sensitive solutions are formed with solvents such as ketones, ethers, esters

4.3

SODIUM BOROHYDRIDE
16940-66-2

SODIUM TETRABORATE DECAHYDRATE
1303-96-4

The substance decomposes on heating above 400°C producing metaborates • The substance is a weak base

3

TRIMETHYL BORATE
121-43-7

The vapour is heavier than air and may travel along the ground; distant ignition possible

On combustion, forms toxic gases of carbon and boron oxides • Reacts with oxidants causing fire and explosion hazard • Reacts with water, moist air and acids to form methanol and boric acid

Chemical Name

CAS-Number

ICSC Short-Term Exposure

ICSC Long-Term Exposure

ICSC Routes of Exposure and Symptoms

US NIOSH Target Organs & Routes of Entry

US NIOSH Symptoms

BORON OXIDE   1303-86-2

eyes; skin; resp tract

kidneys

Inhalation: cough, sore throat

Skin: redness

Eyes: redness, pain

Ingestion: abdominal cramps, diarrhoea, nausea, vomiting, shock

Eyes, skin; resp sys Inh; ing; con

Irrit eyes, skin, resp sys; cough; conj; skin eryt

BORON TRIBROMIDE     10294-33-4

eyes; skin; resp tract; lungs

Inhalation: cough, laboured breathing, sore throat

Skin: Redness, burns, pain

Eyes: redness, pain, severe deep burns

Ingestion: burns to mouth and upper gastrointestinal tract, abdominal pain, burning sensation vomiting

Eyes, skin; resp sys Inh; ing; con

Irrit eyes, skin, resp sys; skin, eye burns; dysp, pulm edema

BORON TRICHLORIDE     10294-34-5

eyes; skin; resp tract

Inhalation: burning sensation, cough, laboured breathing, shortness of breath, sore throat

Skin: Redness, burns, burning sensation, pain, blisters

Eyes: redness, pain, loss of vision

BORON TRIFLUORIDE     7637-07-2

eyes; skin; resp tract; lungs

lungs; kidneys

Inhalation: corrosive, burning sensation, cough, laboured breathing

Skin: redness, burning sensation, pain, on contact with liquid: frostbite

Eyes: redness, pain, blurred vision

Resp sys; kidneys; eyes; skin Inh; con

Irrit eyes, skin, nose, resp sys; epis; eye, skin burns; in animals: pneu; kidney damage

DECABORANE    17702-41-9

eyes; resp tract; CNS

CNS

Inhalation: cough, dizziness, drowsiness, headache, tremors, convulsions, nausea, weakness, incoordination, symptoms may be delayed

CNS; liver; kidneys Inh; abs; ing; con

Dizz, head, nau, li-head, drow; inco, local musc spasm, tremor, convuls; ftg; in animals: weak; dysp; liver, kidney damage

DIBORANE         19287-45-7

eyes; skin; resp tract; lungs

lungs

Inhalation: cough, dizziness, laboured breathing, nausea, sore throat, weakness

Skin: serious frostbite

Eyes: severe deep burns

Resp sys; CNS; liver; kidneys Inh

Chest tight, precordial pain, short breath, non-productive cough, nau; head, li-head, verti, chills, fever, ftg, weak, tremor, musc fasc; in animals: liver, kidney damage; pulm edema; hemorr

PENTABORANE  19624-22-7

resp tract; CNS

Inhalation: nausea, drowsiness, headache, dizziness, blurred vision, tremors, convulsions; symptoms may be delayed

Ingestion: nausea, vomiting

CNS; eyes; skin Inh; abs; ing; con

Irrit eyes, skin, dizz, head, drow, li-head, inco, tremor, convuls, behavioral changes; tonic spasm face, neck, abdom, limbs

SODIUM TETRABORATE DECAHYDRATE  1303-96-4

mucous membranes; eyes; liver; kidneys; CNS

skin

Inhalation: nose bleeding, cough, chest tightness, shortness of breath, sore throat

Skin: dry skin

Eyes: redness

Ingestion: abdominal pain, confusion, diarrhoea, drowsiness, headache, nausea, vomiting, weakness

Eyes, skin, resp sys Inh; ing; con

Irrit eyes, skin, upper resp sys; derm; epis; cough, dysp

TRIMETHYL BORATE     121-43-7

eyes; resp tract

Inhalation: cough, sore throat

Ingestion: abdominal pain, burning sensation

Chemical Formula

Chemical

Synonyms
UN Code

CAS-Number

7440428

BORON

7440-42-8

1330434

BORIC ACID, DISODIUM SALT

Anhydrous borax;
Borates, tetra, sodium salt;
Sodium biborate;
Sodium tetraborate

1330-43-4

1303862

BORON OXIDE

Boric anhydride;
Boron sesquioxide;
Boron trioxide;
Diboron trioxide

1303-86-2

10294334

BORON TRIBROMIDE

Boron bromide
UN2692

10294-33-4

10294345

BORON TRICHLORIDE

Boron chloride
UN1741

10294-34-5

7637072

BORON TRIFLUORIDE

Boron fluoride
UN1008

7637-07-2

109637

BORON TRIFLUORIDE ETHERATE

109-63-7

17702419

DECABORANE

UN1868

17702-41-9

19287457

DIBORANE

Boroethane;
Boron hydride;
Diborane;
Diboron hexahydride
UN1911

19287-45-7

19624227

PENTABORANE

UN1380

19624-22-7

7632044

SODIUM PERBORATE

Sodium borate;
Sodium peroxoborate

7632-04-4

1303964

SODIUM TETRABORATE DECAHYDRATE

Borates, tetra, sodium salt, borax decahydrate;
Sodium biborate;
Sodium biborate decahydrate;
Sodium pyroborate;
Sodium pyroborate decahydrate;
Sodium tetraborate

1303-96-4

16940662

SODIUM BOROHYDRIDE

Sodium borohydride;
Sodium tetrahydroborate
UN1426

16940-66-2

97949

TRIETHYLBORANE

Triethylborane;
Triethylborine

97-94-9

121437

TRIMETHYL BORATE

Boric acid, trimethyl ester;
ethyl borate;
Trimethoxyborine;
Trimethyl borate
UN2416

121-43-7

Chemical Name

CAS-Number

Colour/Form

Boiling Point (°C)

Melting Point (°C)

Molecular Weight

Solubility in Water

Relative Density (water=1)

Relative Vapour Density (air=1)

Vapour Pressure/ (Kpa)

Inflam.
Limits

Flash Point (°C)

Auto Ignition Point (°C)

3-AMINO-9-ETHYL­CARBAZOLE
132-32-1

crystalline compound

127

210.3

AMINOAZOTOLUENE
97-56-3

golden crystals; reddish-brown to yellow crystals; yellow leaves from alcohol

102

225.28

@ 25 °C

@ 25 °C

AZASERINE
115-02-6

orthorhombic, pale yellow to green crystals from 90% ethanol.

157

173.13

@ 25 °C

@ 25 °C

1,1'-AZOBIS(FORMAMIDE)
123-77-3

orange-red crystals; yellow powder

212 decomp

116.08

sl sol

1.65

AZOBENZENE
103-33-3

orange-red leaflets; solid, orange-red crystals; yellow or orange crystals

293

68

182.22

insol in water

@ 20 º C/4 º C

@ 103 º C

CYANURIC CHLORIDE
108-77-0

crystals from ether or benzene; colourless, monoclinic crystals

190

154

184.41

insol

1.32

6.36

@ 70 °C

DIAZOMETHANE
334-88-3

yellow gas

-23

-145

42.04

1.45

1.45

1,2-DIETHYLHYDRAZINE
1615-80-1

85.5

88.15

@ 26 °C

1,1-DIMETHYLHYDRA­ZINE
57-14-7

clear, colourless liquid

63.9

-58

60.1

v sol

@ 22 °C/4 °C

1.94

16.4

2 ll
95 ul

-15 cc

249

1,2-DIMETHYLHYDRA­ZINE
540-73-8

clear, colourless liquid

@ 753 mm Hg

-9

60.10

misc

0.8274

@ 24.46 °C

< 23 cc

EDETIC ACID
60-00-4

white crystalline powder

240 decomp

292.24

@ 25 °C

HYDRAZINE
302-01-2

colourless oily liquid; white crystals

113

2.0

32.05

misc

@ 15 °C/4

1.1

2.1

4 ll
100 ul

38 cc

270

HYDRAZINE HYDROCHLORIDE
2644-70-4

white crystalline flakes

190 decomp

81-87

sol

HYDRAZINE SULPHATE
10034-93-2

orthorhombic crystals; glass like plates or prisms; white crystalline powder; colourless rhombic crystals

254

130.12

v sol

@ 25 °C

2-HYDRAZINOETHANOL
109-84-2

@ 754 mm Hg

-70

76.10

v sol

@ 25 °C

HYDRAZOBENZENE
122-66-7

tablets from alcohol & ether

131

184.2

@ 16 °C/4 °C

@ 103 °C

HYDRAZOIC ACID
7782-79-8

colourless volatile liquid

37

-80

METHYLHYDRAZINE
60-34-4

colourless liquid

87.5

-52.4

46.07

sol

@ 25 °C

1.6

@ 25 °C

2.5 ll
97 ul

0 oc

194

PHENYLHYDRAZINE
100-63-0

monoclinic prisms or oil; colourless, oily liquid; colourless to pale yellow solid or liquid

243.5

19.5

108.14

sol

1.098

3.7

@ 71.8 °C

88 cc

174

PHENYLHYDRAZINE HYDROCHLORIDE
59-88-1

sublimes

243-246 decomp

144.60

v sol

SODIUM AZIDE
26628-22-8

white, crystalline solid; colourless hexagonal crystals

275 decomp

65.02

v sol

1.846

SODIUM DICHLOROCYANURATE
2893-78-9

white, crystalline powder

240-250 decomp

- 220.96

25 g/100 ml

>1

1,2,4-TRIAZOLE
288-88-0

needles

260

120-121

v sol

TRICHLOROISOCYA­NURIC ACID
87-90-1

needles from ethylene chloride; white crystalline powder or granules

246.7 decomp

232.4

sol

> 1 (solid)

Chemical Name

CAS-Number

Physical

Chemical

UN Class or Division /  Subsidiary Risks

1,1'-AZOBIS(FORMAMIDE)
123-77-3

The substance decomposes on heating or on burning producing toxic fumes (nitrogen oxides)

8

CYANURIC CHLORIDE
108-77-0

3

1,1-DIMETHYLHYDRAZINE
57-14-7

The vapour is heavier than air and may travel along the ground; distant ignition possible

The substance may spontaneously ignite on contact with air • in the presence of oxidizing agents • Reacts vigorously with oxidizing material such as air; vapour is inflammable in air • On combustion, forms toxic and/or flammable fumes including nitrogen oxides, hydrogen, ammonia, dimethylamine and hydrazoic acid • toxic fumes nitrogen • The substance is a strong reducing agent and reacts violently with oxidants like nitrogen tetroxide, hydrogen peroxide and nitric acid • The substance is a strong base, it reacts violently with acid and is corrosive • Reacts with oxygen causing fire and explosion hazard • Attacks plastic

6.1/ 3

1,2-DIMETHYLHYDRAZINE
540-73-8

EDETIC ACID
60-00-4

The substance decomposes on heating producing nitrous oxides • Reacts with strong oxidants, strong bases, copper, copper alloys and nickel

3/ 3/ 6.1

HYDRAZINE
302-01-2

6.1/ 3/ 8

METHYLHYDRAZINE
60-34-4

6.1/ 3/ 8

METHYLHYDRAZINE HYDROCHLORIDE
7339-53-9

6.1

PHENYLHYDRAZINE
100-63-0

The substance decomposes on heating and on burning producing toxic fumes including nitrogen oxides • Reacts with oxidants • Reacts violently with lead dioxide

6.1

PHENYLHYDRAZINE HYDROCHLORIDE
59-88-1

6.1

SODIUM AZIDE
26628-22-8

May explode on heating above melting point, especially on rapid heating causing fire and explosion hazard • The solution in water is a weak base • Reacts with copper, lead, silver, mercury and carbon disulfide to form particularly shock-sensitive compounds • Reacts with acids, forming toxic and explosive hydrogen azide • Very corrosive to aluminium

5.1

SODIUM DICHLOROCYANURATE
2893-78-9

The substance decomposes on heating, on contact with water, producing toxic fumes • The substance is a strong oxidant and reacts violently with combustible and reducing materials • The substance is a strong reducing agent and reacts with oxidants • The solution in water is a weak acid • Reacts violently with many substances causing fire and explosion hazard

1,2,4-TRIAZOLE
288-88-0

Dust explosion possible if in powder or granular form, mixed with air

The substance decomposes on boiling • Upon heating, toxic fumes are formed • Reacts with strong oxidants and strong bases

5.1

TRICHLOROISOCYANURIC ACID
87-90-1

Chemical Name

CAS-Number

ICSC Short-Term Exposure

ICSC Long-Term Exposure

ICSC Routes of Exposure and Symptoms

US NIOSH Target Organs & Routes of Entry

US NIOSH Symptoms

1,1'-AZOBIS(FORMAMIDE)     123-77-3

eyes; resp tract

skin; resp tract

Inhalation: cough, headache, fatigue, shortness of breath, sore throat, cramps

Skin: redness

Eyes: redness, pain

DIAZOMETHANE 334-88-3

eyes; resp sys Inh; con (liq)

Irrit eyes; cough, short breath; head, ftg; flush skin, fever; chest pain, pulm edema, pneuitis; asthma; liq: frostbite

DIMETHYL-p-AMINOAZOBENZENE       60-11-7

Liver; skin; bladder; kidneys; resp sys (in animals: liver &bladder tumors) Inh; abs; ing; con

Enlarged liver; liver, kidney dysfunc; contact derm; cough, wheez, dysp; bloody sputum; bronchial secretions; frequent urination, hema, dysuria; (carc)

EDETIC ACID     60-00-4

eyes; skin; resp tract

Inhalation: burning sensation, cough

Skin: redness

Eyes: redness

Ingestion: burning sensation

HYDRAZINE       302-01-2

eyes; skin; resp tract; liver; kidneys; CNS

skin; liver; kidneys; CNS; genes

Eyes; skin; resp sys; CNS; liver; kidneys (in animals: tumors of the lungs, liver, blood vessels & intestine) Inh; ing; abs; con

Irrit eyes, skin, nose throat; temporary blindness; dizz, nau; derm; eye, skin burns; in animals: bron, pulm edema; liver, kidney damage; convuls; (carc)

METHYLHYDRAZINE        60-34-4

CNS; resp sys; liver; blood; CVS; eyes; skin Inh; abs; ing; con

Irrit eyes, skin, resp sys; vomit, diarr, tremor, ataxia; anoxia, cyan; convuls; (carc)

PHENYLHYDRAZINE     100-63-0

eyes; skin; resp tract; blood; kidneys

skin; blood

Inhalation: cough, laboured breathing, sore throat, cyanosis

Skin: may be absorbed, dry skin, redness, pain

Eyes: redness, pain, blurred vision

Ingestion: abdominal pain, diarrhoea, nausea, vomiting, weakness, vertigo

Blood; resp sys; liver; kidneys; skin (in animals: tumors of the lungs, liver, blood vessels & intestine)Inh; abs; ing; con

Skin sens, hemolytic anemia, dysp, cyan; jaun; kidney damage; vascular thrombosis; (carc)

SODIUM AZIDE   26628-22-8

eyes; skin; resp tract; CNS

CNS; genes

Inhalation: cough, headache, nasal stuffiness, blurred vision, shortness of breath, unconsciousness, slowing heartbeat, fall in blood pressure

Skin: redness, blisters

Eyes: redness, pain

Ingestion: abdominal pain, headache, nausea, unconsciousness, sweating

Eyes; skin; CNS; CVS; kidneys Inh; abs; ing; con

Irrit eyes, skin; head, weak, dizz, blurred vision; dysp; low BP, bradycardia; kidney changes

SODIUM DICHLOROCYANURATE     2893-78-9

eyes; skin; resp tract; lungs

skin; lungs

Inhalation: cough, dullness, headache, nausea, shortness of breath, sore throat, vomiting, symptoms may be delayed

Skin: redness, skin burns, pain

Eyes: redness, pain, loss of vision, severe deep burns

Ingestion: burning sensation, cough, headache, sore throat

1,2,4-TRIAZOLE  288-88-0

eyes; skin

Chemical Formula

Chemical

Synonyms
UN Code

CAS-Number

132321

3-AMINO-9-ETHYLCARBAZOLE

3-Amino-N-ethylcarbazole

132-32-1

97563

AMINOAZOTOLUENE

o-Aminoazotoluene;
2-Amino-5-azotoluene;
4-Amino-2',3-dimethylazobenzene;
4'-Amino-2,3'-dimethylazobenzene;
2-Methyl-4-((2-methylphenyl)azo)benzen­amine;
Toluazotoluidine;
4-(o-tolylazo)-o-toluidine

97-56-3

61825

3-AMINO-1,2,4-TRIAZOLE

Aminotriazole;
2-Aminotriazole;
3-Aminotriazole;
3-Amino-S-triazole;
3-Amino-1,2,4-triazole;
2-Amino-1,3,4-triazole;
3-Amino-1h-1,2,4-triazole;
Amitrole;
Amitrol-t;
Triazolamine;
1h-1,2,4-Triazol-3-amine

61-82-5

115026

AZASERINE

Azaserin;
Azaserine;
Diazoacetate (ester) L-Serine;
L-Diazoacetate (ester) serine

115-02-6

123773

1,1'-AZOBIS(FORMAMIDE)

Azobiscarboxamide;
Azodicarbamide;
Azodicarboxylic acid diamide

123-77-3

103333

AZOBENZENE

Azobenzide;
Azobenzol;
Azodibenzeneazofume;
Azofume;
Benzeneazobenzene;
Benzene, azodi;
Benzofume;
Diazobenzene;
Diphenyldiazene;
1,2-Diphenyldiazene;
Diphenyldiimide

103-33-3

108770

CYANURIC CHLORIDE

Chlorotriazine;
Cyanurchloride;
Cyanuric acid chloride;
Trichlorocyanidine;
1,3,5-Trichlorotriazine;
2,4,6-Trichloro-1,3,5-triazine;
Tricyanogen chloride
UN2670

108-77-0

334883

DIAZOMETHANE

Azimethylene;
Diazirine;
Diazomethane

334-88-3

1615801

1,2-DIETHYLHYDRAZINE

N-N'-Diethylhydrazine;
Hydrazoethane;
Hydroazoethane

1615-80-1

540738

1,2-DIMETHYLHYDRAZINE

N,N'-Dimethylhydrazine;
sym-Dimethylhydrazine;
Hydrazomethane
UN2382

540-73-8

57147

1,1-DIMETHYLHYDRAZINE

Dimethylhydrazine;
N,N-Dimethylhydrazine
UN1163

57-14-7

60004

EDETIC ACID

3,6-Bis(carboxymethyl)-;
N,N'-1,2-Ethanediylbis(N-(carboxymethyl)­glycine);
3,6-Diazaoctanedioic acid;
Ethylenediaminetetraacetic acid;
Ethylenediamine-N,N,N',N'-Tetraacetic acid

60-00-4

302012

HYDRAZINE

UN2029

302-01-2

7803578

HYDRAZINE HYDRATE

Hydrazine, monohydrate

7803-57-8

2644704

HYDRAZINE HYDROCHLORIDE

Hydrazine monochloride;
Hydrazinium chloride;
Hydrazinium monochloride

2644-70-4

10034932

HYDRAZINE SULPHATE

Hydrazine monosulfate;
Hydrazinium sulfate;
Hydrazonium sulfate

10034-93-2

109842

2-HYDRAZINOETHANOL

Hydroxyethyl hydrazine;
b-Hydroxyethylhydrazine;
N-(2-Hydroxyethyl)hydrazine

109-84-2

122667

HYDRAZOBENZENE

N,N'-Diphenylhydrazine;
sym-Diphenylhydrazine;
1,2-Diphenylhydrazine;
Hydrazine, 1,2-diphenyl-

122-66-7

7782798

HYDRAZOIC ACID

Azoimide;
Diazoimide;
Hydrogen azide;
Hydronitric acid

7782-79-8

60344

METHYLHYDRAZINE

Hydrazomethane;
1-Methylhydrazine;
Monomethylhydrazine
UN1244

60-34-4

7339539

METHYLHYDRAZINE HYDROCHLORIDE

7339-53-9

100630

PHENYLHYDRAZINE

Hydrazine-benzene;
Hydrazinobenzene
UN2572

100-63-0

59881

PHENYLHYDRAZINE HYDROCHLORIDE

Phenylhydrazine hydrochloride;
Phenylhydrazinium chloride

59-88-1

26628228

SODIUM AZIDE

UN1687

26628-22-8

2893789

SODIUM DICHLOROCYANURATE

Dichloroisocyanuric acid sodium salt;
Isocyanuric acid, dichloro-, sodium salt;
Sodium dichlorisocyanurate;
Sodium dichloroisocyanurate;
sym-Triazine-2,4,6(1H,3H,5H)-Trione, dichloro-, sodium salt

2893-78-9

288880

1,2,4-TRIAZOLE

sym-Triazole

288-88-0

87901

TRICHLOROISOCYANURIC ACID

Trichlorinated isocyanuric acid;
Trichloroisocyanic acid;
Trichloroisocyanurate;
Trichloroisocyanuric acid;
1,3,5-Trichloroisocyanuric acid;
1,3,5-Trichloro-2,4,6-trioxohexahydro-sym-triazine
UN2468

87-90-1

Chemical Name
CAS-Number

Colour/Form

Boiling Point (°C)

Melting Point (°C)

Molecular Weight

Solubility in Water

Relative Density (water=1)

Relative Vapour Density (air=1)

Vapour Pressure/ (Kpa)

Inflam.
Limits

Flash Point (°C)

Auto Ignition Point (°C)

o-ACETOLUIDINE
120-66-1

crystals; colourless

296

110

149.2

sl sol

@ 15 °C

1-AMINO-2-METHYL­ANTHRAQUINONE
82-28-0

205.5

237.3

insol

2-AMINOANTHRA­QUINONE
177-79-3

red or orange-brown needles

sublimes

303-6

233.23

insol

4-AMINODIPHENYL
92-67-1

colourless crystals which turn purple on contact with air

302

53

169.2

sl sol

1.160

@ boil­ing point

153 cc

450

o-AMINOPHENOL
95-55-6

crystals, rapidly becoming brown; white rhombic bipyramidal needles from benzene; colourless rhombic needles or plates

153 sublimes

174

109.12

sol

1.328

190

p-AMINOPHENOL
123-30-8

orthorhombic plates from water; white plates from water; colourless crystals; white or reddish yellow crystals

284 decomp

188

109.13

sl sol

ANILINE
62-53-3

oily liquid, colourless when pure; colourless with a bluish fluorescence when freshly distilled

184

-6

93.12

sol

1.022

3.22

0.04

1.2 ll
11 ul

70 cc

615

ANILINE HYDROCHLORIDE
142-04-1

crystals

245

198

526.8

v sol

1.22

4.46

193

o-ANISIDINE
90-04-0

pale yellowish liquid; reddish or yellowish coloured oil; colourless to pink liquid

225

5

123.2

sl sol

1.0923

4.25

@ 30 °C

118 oc

p-ANISIDINE
104-94-9

tablets from water, rhombic plates; crystals; fused crystalline mass

246

57

123.15

sol

@ 57 °C/4 °C

4.28

<13 Pa

107

AURAMINE
492-80-8

yellow or colourless plates from alcohol

136

267.4

insol

@ 25 °C

1,4-BENZENEDIAMINE DIHYDROCHLORIDE
624-18-0

crystals

181.06

sol

6.2

BENZIDINE
92-87-5

white or slightly-reddish, crystalline powder; needles, grayish, yellow crystalline powder

400

120

184.23

sl sol

1.250

6.36

2-CHLORO-4-NITRO­ANILINE
121-87-9

yellow needles from petroleum ether-carbon disulfide, water, 20% acetic acid

108

172.57

misc

o-CHLOROANILINE
95-51-2

amber liquid

208.8

-14

127.57

insol

@ 22 °C/4 °C

4.41

0.05

108

>500

m-CHLOROANILINE
108-42-9

colourless to light amber liquid

230.5

-10

127.57

insol

1.2161

4.4

9 Pa

118 cc

>540

p-CHLOROANILINE
106-47-8

orthorhombic crystals from alcohol or petroleum ether; rhombic prisms; colourless crystals

232

72.5

127.6

sol

1.4

4.4

2 Pa

2.2 ll
? ul

120-123

685

4-CHLORO-o-PHENYLENEDIAMINE
95-83-0

76

142.6

sl sol

5-CHLORO-o-TOLUIDINE
95-79-4

grayish-white solid

237 ( at 722 mm Hg)

26

141.6

p-CRESIDINE
120-71-8

white crystals

235

52

137.2

sl sol

@ 25 °C

N,N'-DI-2-NAPHTHYL-­p-PHENYLENE­DIAMINE
93-46-9

235

360.43

2,4-DIAMINOANISOLE
615-05-4

67.5

138.16

3,3'-DIAMINOBENZIDINE
91-95-2

solid

178-180

4,4'-DIAMINODI­PHENYLMETHANE
101-77-9

398-399

92.5

198.25

sl sol

2,4-DIAMINOPHENOL DIHYDROCHLORIDE
137-09-7

grayish-white crystals; needles

205

197.08

v sol

2,4-DIAMINOTOLUENE
95-80-7

needles from water or crystals from alcohol; prisms; colourless crystals

292

99

122.2

v sol

4.2

@ 106.5 °C

149

2,6-DIAMINOTOLUENE
823-40-5

colourless crystals

289

106

122.17

sol

@ 150 °C

N,N-DIBUTYLANILINE
613-29-6

amber liquid

267-275

insol

0.904

110

2,3-DICHLOROANILINE
608-27-5

needles from petroleum ether icsc: colourless crystals

252

24

162.02

insol

5.6

@ 25 °C

>112 cc

2,4-DICHLOROANILINE
554-00-7

prisms from acetone; needles from diluted alcohol or petroleum ether

245

64

162.0

sl sol

1.567

5.6

@ 25 °C

2,5-DICHLOROANILINE
95-82-9

light brown or amber-coloured crystalline mass; needles from petroleum ether

251

50

162.0

sl sol

1.54

5.6

@ 25 °C

139

>540

2,6-DICHLOROANILINE
608-31-1

crystals

97

39

insol

5.6

3,4-DICHLOROANILINE
95-76-1

needles from petroleum ether; fine, light-tan crystals

272

71-72

162.03

insol

1.36

5.6

2 Pa

@ 152 °C ll

166 oc

269

3,3'-DICHLOROBEN­ZIDINE
91-94-1

needles from alcohol or benzene; gray or purple crystalline solid.

402

132-133

253.13

insol

6x10^-7 Pa

350

DICYCLOHEXYLAMINE NITRITE
3129-91-7

228.32

m-DIETHYLAMINOPHENOL
91-68-9

white, crystalline solid

276-280

78

165.23

sol

N,N-DIETHYLANILINE
91-66-7

colourless to yellow liquid; brown oily liquid

216

-38

149.23

sl sol

0.9307

1.0

N,N-DIMETHYL-p-­TOLUIDINE
99-97-8

liquid

211

135.20

insol

0.9366

4.7

0.02

1.2 ll
7 ul

83

DIMETHYLAMINO­AZOBENZENE
60-11-7

yellow crystalline leaflets

decomp

114-117

225.28

13.6 ppm

3.3x10-7 mm Hg (est).

DIMETHYLANILINE
121-69-7

oily liquid; pale yellow

194

2.5

121.2

sl sol

0.956

4.17

67 Pa

62

371

2,4-DINITROANILINE
97-02-9

yellow needles from diluted acetone, greenish-yellow plates from alcohol.

56.7

188

183.12

insol

@ 14 °C

6.31

@ 25 °C

224 cc

N,N'-DIPHENYL-p-­PHENYLENEDIAMINE
74-31-7

colourless leaflets from alcohol; commercial grades are greenish-brown; gray powder

@ 0.5 mm Hg

150-151

260.32

insol

1.20

9.0

DIPHENYLAMINE
122-39-4

monoclinic leaflets from diluted alcohol; crystals; solid or liquid, very pale tan-amber to brown

302

53

169.2

insol

1.16

5.82

@ 108 °C

153 oc

634

1,3-DIPHENYLGUAN­IDINE
102-06-7

monoclinic needles; white powder

170 D

150

211.3

sl sol

1.13

N-ETHYLANILINE
103-69-5

colourless liquid; clear to straw-coloured, yellow-brown oil

204.5

-63.5

121.2

insol

0.9625

4.2

@ 38.5 °C

HYDROXYLAMINE
7803-49-8

large white flakes or white needles; colourless liquid

@ 22 mm Hg

32.05

33.04

v sol

@ 0 °C/4 °C

HYDROXYLAMINE HYDROCHLORIDE
5470-11-1

crystals

decomp

@ 17 °C

1.7

HYDROXYLAMINE SULPHATE
10039-54-0

colourless crystals

177

sol

N-ISOPROPYL-N'-PHENYL-p-PHENYLENE­DIAMINE
101-72-4

dark gray to black flakes

72.5

226.3

insol

@ 25 °C

N-ISOPROPYLANILINE
768-52-5

yellowish liquid

203

135.2

insol

0.9526 25 °C

878

MELAMINE
108-78-1

monoclinic prisms; colourless; white

<250

126.13

sl sol

@ 14 °C

4.34

@ 315 °C

p-METHYLAMINO­PHENOL
150-75-4

colourless needles

87

123.17

sol

@ 25 °C

METHYLANILINE
100-61-8

colourless to reddish-brown oily liquid

196

-57

107.15

insol

0.989

3.70

@ 36 °C

795 cc

4,4'-METHYLENE BIS(2-CHLOROANILINE)
101-14-4

tan coloured pellets

110

267.15

insol

1.44

@ 60 °C

MICHLER'S BASE
101-61-1

lustrous leaflets; yellowish leaflets or glistening plates

390

91.5

254.36

insol

MICHLER'S KETONE
90-94-8

white to greenish leaflets; leaf in alcohol, needles in benzene

>360 decomp

172

268.35

insol

1,5-NAPHTHALENE­DIAMINE
2243-62-1

colourless crystals

sublimes

190

158.2

sl sol

1.4

a-NAPHTHYLAMINE
134-32-7

needles from diluted ethanol and ether; yellow rhombic needles; white crystals; needles, become red on exposure to air or a reddish, crystalline mass

300.8

50

143.18

sl sol

1.0228

4.93

@ 104.3 °C

157 cc

b-NAPHTHYLAMINE
91-59-8

colourless crystals which darken in air to a reddish-purple colour

306

113

143.18

sol

@ 98 °C/4 °C

4.95

@108.0 °C

157

o-NITROANILINE
88-74-4

yellow-orange crystals from boiling water; plates or needles; orange solid

284

71

138.1

sl sol

@ 25 °C/4 °C

@ 104 °C

168

521

m-NITROANILINE
99-09-2

yellow crystals from water; yellow rhombic needles

306

114

138.1

sl sol

@ 25 °C/4 °C

@ 25 °C

p-NITROANILINE
100-01-6

yellow monoclinic needles; bright yellow powder

332

146

138.12

1 g/1250 ml

1.424

4.77

0.2 Pa

199

180

4,4'-OXYDIANILINE
101-80-4

colourless crystals

>300

186-187

200.2

insol

@ 25 °C

N-PHENYL-1-NAPH­THYLAMINE
90-30-2

powder

335

62

219.27

sl sol

1.2

N-PHENYL-b-NAPH­TYLAMINE
135-88-6

needles from methanol; white to yellowish crystals; gray to tan flakes or powder

395.5

108

219.29

insol

1.24

m-PHENYLENEBIS­(METHYLAMINE)
1477-55-0

colourless liquid

247

136.2

v sol

1.052

@ 25 °C

o-PHENYLENEDIAMINE
95-54-5

brownish-yellow leaf from water; plates from chloroform

257

103

108.14

sol

1.5 ll
? ul

m-PHENYLENEDIAMINE
108-45-2

white crystals becoming red on exposure to air; colourless needles; rhombic crystals from alcohol; colourless rhombic needles

285

63.5

108.14

v sol

1.139

@ 5ºC

@ 99.8 °C

p-PHENYLENEDIAMINE
106-50-3

white to slightly red crystals; white plates from benzene, ether

267

146

108.14

sl sol

1.14

3.72

@ 21 °C

1.5 ll
? ul

156

N-PHENYLETHANOL­AMINE
122-98-5

286

137.17

sl sol

1.0945

o-TOLIDINE
119-93-7

white to reddish crystals or crystal powder

300

131.5

212.28

sl sol

1

o-TOLUIDINE
95-53-4

light yellow liquid becoming reddish brown on exposure to air and light; colourless liquid

200.2

-14.7-16.3

107.15

sl sol

1.008

3.69

0.32 torr

m-TOLUIDINE
108-44-1

colourless liquid

203

-30.4

107.15

sl sol

0.9889

3.90

@ 41 °C

861

p-TOLUIDINE
106-49-0

lustrous plates or leaflets; white solid; colourless leaflets

200.5

44

107.15

sl sol

1.046

3.9

0.34 torr

2,4,5-TRIMETHYLANILINE
137-17-7

white crystals; needles obtained from water as solvent

235

68

135.2

insol

@ 25 °C

TRIPHENYLAMINE
603-34-9

monoclinic crystals from methanol, ethyl acetate, benzene; colourless

365

127

245.3

insol

@ 0 °C/0 °C

XYLIDINE
1300-73-8

exists in 6 isomeric forms varying from a light yellow to a brown liquid; all isomers except ortho-4-xylidine are liquids above 27 °C

213-226

-15 - 51

121.18

sl sol

0.97-0.99

4.17

20 Pa

1 ll
7 ul

91

405

2,3-XYLIDINE
87-59-2

liquid

221.5

< -15

121.2

sl sol

0.9931

@ 25 °C

1.0 ll
? ul

97 cc

2,4-XYLIDINE
95-68-1

colourless liquid

214

-14.3

121.2

sl sol

0.9723

@ 52.6 °C

3,4-XYLIDINE
95-64-7

plates of prisms from petroleum ether

226

51

121.2

sl sol

@ 18 °C

Chemial Name

CAS-Number

Physical

Chemical

Un Class/Div /  Subsidiary Risks

4-AMINODIPHENYL
92-67-1

On combustion, forms toxic gases: ­CO_x, NO_x • The solution in water is a weak base • Reacts with strong oxidants • Forms salts with acids such as hydrochloric acid, sulfuric acid, etc.

6.1

p-AMINOPHENOL
123-30-8

6.1

o-AMINOPHENOL
95-55-6

The substance decomposes on heating producing toxic fumes (nitrogen oxides) • Reacts violently with oxidants causing fire and explosion hazard

6.1

ANILINE
62-53-3

The substance decomposes on heating at temperatures above 190 °C, or on burning producing toxic and corrosive fumes (ammoia and nitrogen oxides) and flammable vapours • The substance is a weak base • Reacts vigorously with strong oxidants, acids, acetic anhydride, chloromelamine monomers, beta-propiolactone and epichlorohydrin causing fire and explosion hazard • Reacts with metals such as sodium, potassium, calcium, producing flammable hydrogen gas • Attacks copper and its alloys

ANILINE HYDROCHLORIDE
142-04-1

The vapour is heavier than air

On combustion, forms toxic fumes including nitrogen oxides • On contact with hot surfaces or flames this substance decomposes forming toxic and corrosive fumes of aniline and chlorine compounds and nitrosis gases • The substance decomposes on heating or on contact with acids producing toxic fumes including aniline and hydrochloric acid • Reacts violently with oxidants causing fire and explosion hazard

6.1

o-ANISIDINE
90-04-0

The substance decomposes on heating producing toxic fumes (nitrogen oxides) • Reacts with strong oxidants causing fire and explosion hazard • Reacts with acids, acid chlorides, acid anydrides, chloroformates • Attacks some forms of plastics, rubber and coatings

6.1

p-ANISIDINE
104-94-9

The substance decomposes on heating producing toxic fumes (nitrogen oxides) • Reacts with strong oxidants causing fire and explosion hazard • Reacts with acids, acid chlorides, acid anydrides, chloroformates

6.1

o-ANISIDINE HYDROCHLORIDE
134-29-2

1,4-BENZENEDIAMINE DIHYDROCHLORIDE
624-18-0

Dust explosion possible if in powder or granular form, mixed with air

The substance decomposes on heating producing toxic and corrosive fumes (nitrogen oxides, hydrogen chloride)

6.1

BENZIDINE
92-87-5

6.1

2-CHLORO-4-NITROANILINE
121-87-9

6.1

o-CHLOROANILINE
95-51-2

The substance decomposes on burning producing toxic fumes (nitrous oxides, hydrogen chloride)

6.1

m-CHLOROANILINE
108-42-9

The substance decomposes on burning producing toxic fumes (nitrous oxides, hydrogen chloride) • The solution in water is a weak base • Reacts violently with oxidants causing fire and explosion hazard

6.1

p-CHLOROANILINE
106-47-8

The substance decomposes on heating above 160 °C and on burning producing toxic and corrosive fumes of nitrogen oxides and hydrogen chloride • Reacts violently with oxidants

6.1

5-CHLORO-o-TOLUIDINE
95-79-4

8

p-CRESIDINE
120-71-8

6.1

2,4-DIAMINOTOLUENE
95-80-7

On combustion, forms toxic gases and fumes (carbon monoxide and nitrogen oxides) • Reacts with oxidants, acids, acid anhydrides, and acid chlorides

2,6-DIAMINOTOLUENE
823-40-5

On combustion, forms toxic fumes of nitogen oxides

6.1

2,3-DICHLOROANILINE
608-27-5

The substance decomposes on heating producing toxic fumes (nitrous oxides, hydrogen chloride)

6.1

2,4-DICHLOROANILINE
554-00-7

The substance decomposes on heating producing toxic fumes (nitrous oxides, hydrogen chloride)

6.1

2,5-DICHLOROANILINE
95-82-9

The substance decomposes on heating producing toxic fumes (nitrous oxides, hydrogen chloride)

6.1

2,6-DICHLOROANILINE
608-31-1

The substance decomposes on heating producing toxic fumes (nitrous oxides, hydrogen chloride)

6.1

3,4-DICHLOROANILINE
95-76-1

The substance decomposes on heating producing toxic fumes (nitrous oxides, hydrogen chloride)

3,3'-DICHLOROBENZIDINE
91-94-1

The substance decomposes on heating producing toxic and corrosive fumes including nitrogen oxides and hydrogen chloride • dergoes usual reactions of benzidine derivates, eg • formation of diazonium salts and acyl and alkyl derivates

4.1

DICYCLOHEXYLAMINONITRITE
3129-91-7

6.1

N,N-DIETHYLANILINE
91-66-7

N,N-DIMETHYL-p-TOLUIDINE
99-97-8

On combustion, forms toxic and corrosive gases (NO_x) • Reacts violently with strong oxidants causing fire and explosion hazard • Reacts with acids, anhydrides and chlorides • Attacks many plastics

6.1

DIMETHYLANILINE
121-69-7

The substance decomposes on heating or on burning producing highly toxic fumes (aniline, nitrogen oxides) • The substance is a weak base • Reacts with oxidants

6.1

2,4-DINITROANILINE
97-02-9

May explode on heating, friction or contamination • The substance decomposes on heating producing toxic fumes (nitrogen oxides) • Reacts violently with oxidants • Reacts violently with chlorine and hydrochloric acid evolving gases

DIPHENYLAMINE
122-39-4

Dust explosion possible if in powder or granular form, mixed with air

On combustion, forms toxic gases of carbon and nitrogen oxides • Reacts with strong oxidants and acids

6.1

N-ETHYLANILINE
103-69-5

N-ISOPROPYL-N'-PHENYL-p-PHENYLENEDIAMINE
101-72-4

On combustion, forms toxic gases ­(NO_x, CO_x) • The substance decomposes producing toxic fumes (nitrogen oxides)

6.1

p-METHYLAMINOPHENOL
150-75-4

6.1

METHYLANILINE
100-61-8

The substance decomposes on heating and on burning producing toxic fumes including aniline, nitrogen oxides • Reacts violently with strong acids and oxidants • Attacks some plastic

1,5-NAPHTHALENEDIAMINE
2243-62-1

The substance decomposes on heating producing toxic fumes (nitrogen oxides)

6.1

a-NAPHTHYLAMINE
134-32-7

6.1

b-NAPHTHYLAMINE
91-59-8

6.1

o-NITROANILINE
88-74-4

Dust explosion possible if in powder or granular form, mixed with air

On combustion, forms toxic fumes of nitrogen oxides • The substance is a strong oxidant and reacts with combustible and reducing materials • Reacts with organic materials in presence of moisture causing fire hazard

6.1

m-NITROANILINE
99-09-2

Dust explosion possible if in powder or granular form, mixed with air

On combustion, forms toxic fumes of nitrogen oxides • The substance is a strong oxidant and reacts with combustible and reducing materials • Reacts with organic materials in presence of moisture causing fire hazard

6.1

p-NITROANILINE
100-01-6

Dust explosion possible if in powder or granular form, mixed with air

May explode on heating • On combustion, forms toxic fumes of nitrogen oxides • The substance is a strong oxidant and reacts with combustible and reducing materials • Reacts with organic materials in presence of moisture causing fire hazard

N-PHENYL-1-NAPHTHYLAMINE
90-30-2

On combustion, forms toxic fumes (NO_x) • The substance decomposes on heating or on burning producing toxic fumes (nitrogen oxides)

6.1

o-PHENYLENEDIAMINE
95-54-5

6.1

m-PHENYLENEDIAMINE
108-45-2

6.1

p-PHENYLENEDIAMINE
106-50-3

The substance decomposes on heating and on burning producing toxic fumes (nitrogen oxides) • The substance is a strong reducing agent and reacts violently with oxidants

o-TOLIDINE
119-93-7

The substance decomposes on heating and on burning producing toxic fumes including nitrogen oxides • The substance is degraded by light

6.1

o-TOLUIDINE
95-53-4

6.1

m-TOLUIDINE
108-44-1

6.1

p-TOLUIDINE
106-49-0

6.1

XYLIDINE
1300-73-8

The substance decomposes on burning producing hazardous oxides of nitrogen • Reacts with strong oxidants • Reacts with hypochlorites forming explosive chloramines

6.1

2,3-XYLIDINE
87-59-2

6.1

2,4-XYLIDINE
95-68-1

6.1

3,4-XYLIDINE
95-64-7