Table of Contents

Chemical Name
CAS-Number

Physical

Chemical

UN Class or Division /  Subsidiary Risks

BROMINE
7726-95-6

The vapour is heavier than air

Upon heating, toxic fumes are formed • The substance is a strong oxidant and reacts violently with combustible and reducing materials • Reacts violently with aqueous ammonia, oxidants, metals, organic compounds and phosphorus causing fire and explosion hazard • Attacks some forms of plastic, rubber and coatings

3/ 6.1

BROMINE PENTAFLUORIDE
7789-30-2

The vapour is heavier than air

The substance decomposes on heating above 460 °C and on contact with acid or acid fumes producing very toxic fumes of fluorine and bromine • Reacts violently with fuels and organic compounds, hydrogen containing material (such as ammonia, acetic acid, grease, paper) causing fire and explosion hazard • Reacts explosively with water or steam to produce toxic and corrosive fumes • Reacts with all known elements, except nitrogen, oxygen and rare gases

5.1/ 6.1/ 8

CARBONYL FLUORIDE
353-50-4

The gas is heavier than air

The substance decomposes on heating at 450-490 °C producing toxic gases • Hydrolyzed rapidly by water to form carbon dioxide and hydrogen fluoride

2.3/ 8

CHLORINE
7782-50-5

The gas is heavier than air

Reacts violently with many organic compounds, ammonia and finely divided metals causing fire and explosion hazard • Attacks many metals in presence of water • Attacks plastic, rubber and coatings

2.3/ 5.1/ 8

CHLORINE OXIDE
10049-04-4

The gas is heavier than air

May explosively decompose on shock, friction, or concussion • May explode on heating • The substance is a strong oxidant and reacts violently with combustible and reducing materials • Reacts violently with mercury, phosphorus, sulphur and many compounds, causing fire and explosion hazard • Reacts with water producing hydrochloric acid and chloric acid

CHLORINE TRIFLUORIDE
7790-91-2

The gas is heavier than air and corrosive

The substance decomposes above 220 °C producing toxic gases (chlorine and fluorine compounds) • Reacts violently with water, sand, silicon-containing compounds, glass, and asbestos • Reacts with all forms of plastics, rubber, and resins, except the highly fluorinated polymers • Most combustible materials ignite spontaneously on contact with this substance • Reacts violently with oxidizable materials, metals and metal oxides • Explodes in contact with organic materials • Emits highly toxic fumes on contact with acids

2.3/ 5.1/ 8

FLUORINE
7782-41-4

The gas is heavier than air

The substance is a strong oxidant and reacts violently with combustible and reducing materials • Reacts violently with water producing toxic and corrosive vapours: ozone and hydrogen fluoride • Reacts violently with ammonia, metals, oxidants, and many other materials, causing fire and explosion hazard

2.3/ 5.1/ 8

HYDROGEN BROMIDE
10035-10-6

The gas is heavier than air

The solution in water is a strong acid, it reacts violently with bases and is corrosive • Reacts violently with strong oxidants and many organic compounds causing fire and explosion hazard • Attacks many metals forming flammable hydrogen gas

8

HYDROGEN FLUORIDE
7664-39-3

The solution in water is a strong acid, it reacts violently with bases and is corrosive • Reacts violently with many compounds causing fire and explosion hazard • On contact with air it emits corrosive fumes which are heavier than air and will spread along the ground • Attacks glass and other silicon-containing compounds

3/ 6.1

NITROGEN TRIFLUORIDE
7783-54-2

2.3/ 5.1

OXYGEN DIFLUORIDE
7783-41-7

The gas is heavier than air

The substance decomposes on heating above 250 °C producing toxic fumes (fluorine) • The substance is a strong oxidant and reacts violently with combustible and reducing materials • Reacts explosively with hydrogen sulfide at ambient temperature, with chlorine, bromine or iodine on warming • Attacks mercury • Explodes on contact with steam • Reaction of oxygen difluoride with non-metals such as red phosphorous and boron powder and silica, alumina or similar surface-active solids is exothermic and may be explosive

2.3/ 5.1/ 8

PERCHLORYL FLUORIDE
7616-94-6

The substance decomposes on heating producing toxic fumes (fluorine, fluorine oxides, chlorine, chlorine oxides) • The substance is a strong oxidant and reacts violently with combustible and reducing materials, causing fire and explosion hazard • Attacks some forms of plastics, rubber and coatings

2.3/ 5.1

PHOSGENE
75-44-5

The vapour is heavier than air and may travel along the ground

The substance decomposes on heating above 300 °C, producing toxic and corrosive gases: hydrogen chloride and carbon monoxide, chlorine fumes • Reacts violently with strong oxidants • Reacts slowly with water producing corrosive, pungent and toxic gases • Reacts violently with amines, with aluminium • Attacks many metals in presence of water • Attacks metal, plastic, rubber

2.3/ 8

PHOSPHORUS PENTABROMIDE
7789-69-7

8

PHOSPHOROUS TRIBROMIDE
7789-60-8

8

SULPHUR CHLORIDE
10025-67-9

On combustion, forms toxic gases and vapours (such as hydrogen chloride, sulphur dioxide, hydrogen sulfide) • The substance decomposes to toxic chlorine gas and solid sulphur on heating above 300 °C • Reacts with peroxides, oxides of phosphorous and some organic compounds, causing fire and explosion hazard • Reacts with moist air to form corrosive vapours (hydrochloric acid) • Contact with water causes a violent reaction, forming hydrogen chloride gas (or hydrochloric acid), sulphur dioxide, sulphur, sulfite, thiosulfate and hydrogen sulfide, which may corrode metal containers and form flammable hydrogen gas

8

SULPHUR DICHLORIDE
10545-99-0

8

SULPHUR HEXAFLUORIDE
2551-62-4

The gas is heavier than air and may accumulate in low ceiling spaces causing deficiency of oxygen

The substance decomposes in a fire producing toxic fumes of sulphur oxides and hydrogen fluoride • on contact with hot surfaces producing S0₂ • Upon heating, toxic fumes are formed • Reacts with strong oxidants and alkali and earth alkali

2.2

SULFURYL FLUORIDE
2699-79-8

2.3

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)

BROMINE
7726-95-6

dark reddish-brown liquid; reddish-brown vapor; rhombic crystals

58.78

-7.25

159.808

3.58 g/ 100 ml

@ 25 °C/4 °C

@ 15 °C

23.3

BROMINE PENTAFLUORIDE
7789-30-2

colourless liquid; colourless gas above 40.3 °C

40.76

-60.5

174.90

reacts

@ 25 °C

6.05

@ 25.5 °C

CARBONYL FLUORIDE
353-50-4

colourless gas

-83

-114

66.01

reacts

@ 25 °C

2.3

CHLORINE
7782-50-5

greenish-yellow, diatomic gas

-34.6

-100.98

70.906

@ 30 °C

1.4085;6.864 atm

2.5

638

CHLORINE OXIDE
10049-04-4

yellow to reddish-yellow gas at room temp; solid chlorine dioxide is a yellowish-red crystalline mass; liquid is reddish-brown

11

-59

67.46

@ 25 °C and 34.5 mm Hg

@ 0 °C

2.3

10

>10

CHLORINE TRIFLUORIDE
7790-91-2

colourless gas; liquid is yellow-green in colour; solid is white

11.75

-76.34

92.46

reacts

@ 13 °C

3.18

@ -4.9 °C; 740 mm Hg

FLUORINE
7782-41-4

pale yellow; greenish yellow gas

-188.13

-219.61

37.99

reacts

@ -188.2 °C

1.3

@ -223.0 °C; 10 mm Hg

HYDROGEN FLUORIDE
7664-39-3

colourless liquid

20

-83

20.0

misc

@ 19.54 °C

@ 0 °C

@ 2.5 °C

IODINE
7553-56-2

bluish-black scales or plates; diatomic; rhombic, violet-black crystals with metallic luster

184.35

113.50

253.81

@ 25 °C (solid)

6.75 g/l (gas)

@ 38.7 °C (solid)

NITROGEN CHLORIDE
10025-85-1

yellow oil ot rhombic crystals

<71

<-40

120.37

insol cold water, decomposes hot water

1.653

NITROGEN TRIFLUORIDE
7783-54-2

colourless gas

-129

-208.5

71.01

sl sol

@ -129 °C (liquid)

OXYGEN DIFLUORIDE
7783-41-7

colourless gas; yellowish-brown when liquid

-144.8

-223.8

54.00

insol hot water; sl sol and decomposes cold water

@ -233.8 °C (liquid)

1.8

@ -144.6 °C

PERCHLORYL FLUORIDE
7616-94-6

colourless gas

-46.8

-146

102.45

misc

0.637 (gas); 1.434 (liquid)

3.5

1.06

PHOSGENE
75-44-5

colourless gas

8

-118

98.92

sl sol

1.381

3.4

161.6

PHOSPHORUS PENTABROMIDE
7789-69-7

yellow crystalline mass

106 decomp

430.49

decomposes

PHOSPHOROUS TRIBROMIDE
7789-60-8

colourless liquid; pale yellow liquid

173.2

-41.5

270.73

@ 15 °C

@ 47.8 °C

SODIUM HEXAFLUOROSILICATE
16893-85-9

white granular powder

188.05

sol

2.68

SULPHUR CHLORIDE
10025-67-9

light amber to yellowish red oily liquid

135.6

-77

135.03

reacts

@ 15.5 °C/­15.5 °C

4.66

0.906

118 cc

234

SULPHUR DICHLORIDE
10545-99-0

dark red liquid; *reddish brown liquid

59 (decomp)

-78

102.96

@ 15 °C/15 °C

3.55

@ -23 °C

SULPHUR HEXAFLUORIDE
2551-62-4

colourless gas; liquid at -50.5 °C

-63.8 sublimes

-50.8

146.06

sl sol

@ -50 °C (liquid)

5.1

2140

SULPHURYL FLUORIDE
2699-79-8

colourless gas

-55.38

-135.82

102.07

4-5 ml gas/ 100 ml

3.72 g/l (gas), 1.7 g/l (liquid)

3.5

@ 25 °C

Chemical Formula

Chemical

Synonyms
UN Code

CAS-Number

1888911

N-ACETYLCAPROLACTAM

Acetylcaprolactam;
2H-Azepin-2-one, 1-acetylhexahydro-

1888-91-1

260946

ACRIDINE

Benzo(b)quinoline;
2,3-Benzoquinoline;
Dibenzo(b,e)pyridine
UN2713

260-94-6

140318

N-AMINOETHYLPIPERAZINE

N-(2-Aminoethyl)piperazine;
1-(2-Aminoethyl)piperazine
UN2815

140-31-8

504290

2-AMINOPYRIDINE

o-Aminopyridine;
a-Aminopyridine;
2-Aminopyridine;
Amino-2-pyridine;
a-Pyridinamine;
a-Pyridylamine;
2-Pyridylamine
UN2671

504-29-0

91769

BENZOGUANAMINE

4,6-Diamino-2-phenyl-s-triazine;
2-Phenyl-4,6-diamino-s-triazine;
2-Phenyl-4,6-diamino-1,3,5-triazine

91-76-9

95147

1,2,3-BENZOTRIAZOLE

1,2,-Aminozophenylene;
Aziminobenzene;
Benzene azimide;
Benzisotriazole;
1,2,3-Benzotriazole;
Benztriazole;
1H-Triazaindene

95-14-7

91645

COUMARIN

91-64-5

194592

3,4,5,6-DIBENZOCARBAZOLE

3,4,5,6-Dibenzcarbazol;
3,4,5,6-Dinaphthacarbazole;
7H-Dibenzo(C,G)carbazole

194-59-2

1702176

3,6-DICHLOROPICOLINIC ACID

3,6-Dichloro-2-pyridinecarboxylic acid;
2-Pyridinecarboxylic acid, 3,6-Dichloro-

1702-17-6

100743

N-ETHYLMORPHOLINE

4-Ethylmorpholine

100-74-3

149304

2-MERCAPTOBENZOTHIAZOLE

Benzothiazole-2-thione;
2(3H)-Benzothiazolethione;
2-Benzothiazolyl mercaptan;
Mercaptobenzothiazole;
2-Mercaptobenzothiazole

149-30-4

120785

2-MERCAPTOBENZOTHIAZOLE DISULPHIDE

2-Benzothiazolyl disulphide;
Benzothiazyl disulphide;
Bis(benzothiazolyl) disulphide;
Bis(2-benzothiazyl) disulphide;
Dibenzothiazolyl disulphide;
Dibenzothiazyl disulphide;
Dibenzoylthiazyl disulphide;
Dibenzthiazyl disulphide;
2,2'-Dithiobis(benzothiazole);
2-Mercaptobenzothiazole disulphide;
2-Mercaptobenzothiazyl disulphide

120-78-5

109024

N-METHYLMORPHOLINE

Methylmorpholine;
4-Methylmorpholine
UN2535

109-02-4

872504

1-METHYL-2-PYRROLIDINONE

N-Methylpyrrolidinone;
N-Methyl-2-pyrrolidinone;
1-Methyl-5-pyrrolidinone;
N-Methylpyrrolidone;
N-Methyl-a-Pyrrolidone;
1-Methyl-2-pyrrolidone

872-50-4

109068

2-METHYLPYRIDINE

a-Methylpyridine;
2-Picoline ;
a-Picoline

109-06-8

108996

3-METHYLPYRIDINE

3-Picoline

108-99-6

108894

4-METHYLPYRIDINE

g-Picoline;
4-Picoline

108-89-4

110918

MORPHOLINE

Diethyleneimide oxide;
Diethylene imidoxide;
Diethylene oximide;
Diethylenimide oxide;
Drewamine;
p-Isoxazine, tetrahydro-;
Tetrahydro-;
Tetrahydro-1,4-isoxazine;
Tetrahydro-1,4-oxazine
UN2054

110-91-8

54115

NICOTINE

1-Methyl-2-(3-pyridyl)pyrrolidine;
3-(N-Methylpyrrolidino)pyridine;
L-nicotine;
3-(Tetrahydro-1-methylpyrrol-2-yl);
a-Pyridyl-a-N-Methylpyrrolidine;
Pyrrolidine, 1-Methyl-2-(3-pyridal)-;
Tetrahydronicotyrine
UN1654

54-11-5

65316

NICOTINE TARTRATE

Nicotine acid tartrate;
Nicotine bitartrate;
Nicotine hydrogen tartrate
UN1659

65-31-6

16543558

N-NITROSONORNICOTINE

1'-Nitroso-1'-demethylnicotine;
1-Nitroso-2-(3-pyridyl)pyrrolidine;
3-(1-Nitroso-2-pyrrolidinyl)pyridine;
Pyridine, 3-(1-nitroso-2-pyrrolidinyl)-, (s)-

16543-55-8

94780

PHENAZOPYRIDINE

2,6-Diamino-3-phenylazopyridine;
Phenazodine;
3-(Phenylazo)-2,6-pyridinediamine;
Phenazopyridine;
2,6-Pyridinediamine, 3-(phenylazo)-;
Pyridium;
Pyripyridium

94-78-0

92842

PHENOTHIAZINE

Dibenzoparathiazine;
Dibenzothiazine;
Dibenzo-1,4-thiazine

92-84-2

193395

PHENYLENEPYRENE

Indeno(1,2,3-CD)pyrene;
o-Phenylenepyrene;
2,3-;
2,3-o-Phenylenepyrene;
1,10-(o-Phenylene)pyrene;
1,10-(1,2-Phenylene)pyrene

193-39-5

110850

PIPERAZINE

1,4-Diethylenediamine;
Hexahydro-1,4-diazine;
Hexahydropyrazine;
Piperazidine;
Piperazine ;
Piperazine, anhydrous;
Pyrazine hexahydride
UN2579

110-85-0

142643

PIPERAZINE DIHYDROCHLORIDE

Dihydrochloride salt of diethylenediamine;
Dowzene DHC;
Piperazine hydrochloride

142-64-3

110894

PIPERIDINE

Azacyclohexane;
Cyclopentimine;
Hexahydropyridine;
Hexazane;
Pentamethyleneimine;
Pentamethylenimine;
Piperidine ;
Pyridine, hexahydro-
UN2401

110-89-4

1120714

1,3-PROPANE SULTONE

3-Hydroxy-1-propanesulphonic acid sulphone;
3-Hydroxy-1-propanesulphonic acid sultone;
1,2-Oxathrolane 2,2-dioxide

1120-71-4

75558

PROPYLENE IMINE

2-Methylazacyclopropane;
2-Methylaziridine;
Methylethylenimine;
2-Methylethylenimine;
Propylene imine;
1,2-Propyleneimine
UN1921

75-55-8

110861

PYRIDINE

UN1282

110-86-1

289952

PYRIMIDINE

1,3-Diazabenzene;
m-Diazine;
Metadiazine

289-95-2

123751

PYRROLIDINE

Azacyclopentane;
Azolidine;
Prolamine;
Pyrrole, tetrahydro-;
Pyrrolidine;
Tetrahydropyrrole;
Tetramethylenimine
UN1922

123-75-1

616455

2-PYRROLIDINONE

4-Aminobutyric acid lactam;
Butyrolactam;
2-Oxopyrrolidine;
a-Pyrrolidinone;
Pyrrolidone;
2-Pyrrolidone

616-45-5

91225

QUINOLINE

1-Azanaphthalene;
1-Benzazine;
1-Benzine;
Benzo(b)pyridine;
Quinoline
UN2656

91-22-5

126330

SULPHOLANE

Cyclic tetramethylene sulphone;
Cyclotetramethylene sulphone;
Dihydrobutadiene sulphone;
1,1-Dioxidetetrahydrothiofuran;
1,1-Dioxidetetrahydrothiophene;
Sulphalone;
Sulpholan;
Tetrahydrothiophene dioxide

126-33-0

110010

TETRAHYDROTHIOPHENE

Tetrahydrothiophene;
Tetramethylenesulphide;
Thiacyclopentane;
Thilane;
Thiophane
UN2412

110-01-0

110021

THIOPHENE

Divinylene sulphide;
Thiacyclopentadiene;
Thiaphene;
Thiofuran;
Thiofuram;
Thiofurfuran;
Thiole;
Thiophen
UN2414

110-02-1

100696

2-VINYLPYRIDINE

100-69-6

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

2-AMINOPYRIDINE          504-29-0

Inhalation: convulsions, dizziness, headache, nausea, shortness of breath, weakness, increased blood pressure, collapse

CNS; resp sys Inh; abs; ing; con

Irrit eyes, nose, throat; head, dizz, excitement; nau; high BP; resp distress; weak; convuls; stupor

3,6-DICHLOROPICOLINIC ACID     1702-17-6

eyes; resp tract

liver; kidneys

Inhalation: cough, dullness

2-MERCAPTOBENZOTHIAZOLE     149-30-4

eyes

skin

Inhalation: cough

Skin: redness

Eyes: redness, pain

2-MERCAPTOBENZOTHIAZOLE DISULPHIDE      120-78-5

eyes; skin; resp tract

skin

Inhalation: cough, sore throat

Skin: may be absorbed, redness

Eyes: redness

2-METHYLPYRIDINE        109-06-8

eyes; skin; resp tract

skin; CNS

Inhalation: burning sensation, cough, dizziness, drowsiness, headache, laboured breathing, nausea, sore throat, unconsciousness, weakness

Skin: may be absorbed, dry skin, redness, burning sensation, pain, blisters

Eyes: pain, blurred vision, severe deep burns

Ingestion: abdominal pain, burning sensation, diarrhoea, vomiting

3-METHYLPYRIDINE        108-99-6

eyes; skin; resp tract

skin; CNS

Inhalation: burning sensation, cough, dizziness, drowsiness, headache, laboured breathing, nausea, sore throat, unconsciousness, weakness

Skin: may be absorbed, dry skin, redness, burning sensation, pain, blisters

Eyes: pain, blurred vision, severe deep burns

Ingestion: abdominal pain, burning sensation, diarrhoea, vomiting

4-METHYLPYRIDINE        108-89-4

eyes; skin; resp tract

skin; CNS

Inhalation: burning sensation, cough, dizziness, drowsiness, headache, laboured breathing, nausea, sore throat, unconsciousness, weakness

Skin: may be absorbed, dry skin, redness, burning sensation, pain, blisters

Eyes: pain, blurred vision, severe deep burns

Ingestion: abdominal pain, burning sensation, diarrhoea, vomiting

1-METHYL-2-PYRROLIDONE     872-50-4

resp tract; eyes

lungs; bone marrow; lymphatic system

Inhalation: cough, laboured breathing

Skin: may be absorbed

Eyes: redness, pain, blurred vision, loss of vision; abdominal cramps, diarrhoea, laboured breathing

MORPHOLINE    110-91-8

eyes; skin; resp tract; lungs

liver; kidneys

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

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

Eyes: redness, pain, blurred vision

Ingestion: abdominal pain, cough, diarrhoea, vomiting

Resp sys; eyes; skin; liver; kidneys Inh; abs; ing; con

Irrit eyes, skin, nose, resp sys; vis dist; cough; in animals: liver, kidney damage

NICOTINE          54-11-5

Inhalation: abdominal pain, headache, nausea, vomiting, tremors, convulsions,

CNS; CVS; lungs; GI tract; repro sys Inh; abs; ing; con

Nau, salv, abdom pain, vomit, diarr; head, dizz, hearing, vis dist; conf, weak, inco; paroxysmal atrial fibrl; convuls, dysp; in animals: terato effects

NICOTINE TARTRATE      65-31-6

eyes; skin; CNS

Inhalation: abdominal pain, headache, nausea, vomiting, tremors, convulsions

Skin: may be absorbed

Eyes: redness, pain

PHENOTHIAZINE            92-84-2

eyes; skin; resp tract; blood; liver

skin

Inhalation: cough, sore throat

Skin: may be absorbed, redness, pain, itching, coloured yellow-brown skin

Eyes: redness, pain, blurred vision

Skin; CVS; liver; kidneys Inh; abs; ing; con

Itching, irrit, reddening skin; hepatitis, hemolytic anemia, abdom cramps, tacar; kidney damage; skin photo sens

PHENYLENEPYRENE      193-39-5

Skin: may be absorbed

PIPERIDINE       110-89-4

Inhalation: burning sensation, cough, laboured breathing

PROPYLENE IMINE         75-55-8

eyes; skin; resp tract; lungs ; CNS

skin

Inhalation: cough, dizziness, headache, laboured breathing, shortness of breath, unconsciousness

Skin: may be absorbed, redness, skin burns, itching, blisters

Eyes: redness, pain, blurred vision

Ingestion: burning sensation of the digestive tract, dizziness, headache, nausea, vomiting

Eyes; skin (in animals: nasal tumors) Inh; abs; ing; con

Eye, skin burns; (carc)

PYRIDINE          110-86-1

eyes; skin; resp tract; GI tract; CNS; CVS

skin; liver; kidneys

Inhalation: cough, dizziness, headache, nausea, shortness of breath, unconsciousness

Skin: may be absorbed, redness

Eyes: redness, pain

Ingestion: abdominal pain, diarrhoea, vomiting, weakness

Eyes; skin; CNS; liver; kidneys; GI tract Inh; abs; ing; con

Irrit eyes; head, ner, dizz, insom; nau, anor, derm; liver, kidney damage

2-PYRROLIDINONE         616-45-5

eyes

QUINOLINE        91-22-5

eyes; resp tract; CNS

liver; kidneys; retina

Inhalation: cough, laboured breathing, nausea, shortness of breath, vomiting, weakness

Skin: may be absorbed, redness, skin burns

Eyes: redness, pain, blurred vision

TETRAHYDROTHIOPHENE     110-01-0

eyes; skin; resp tract; CNS

skin

Inhalation: Burning sensation, cough, headache, sore throat

Skin: may be absorbed, dry skin, redness, burning sensation

Eyes: redness, pain, eyes

Ingestion: abdominal pain

THIOPHENE       110-02-1

eyes; skin; resp tract

Inhalation: cough, sore throat

Skin: may be absorbed

Eyes: redness, pain