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