Friday, 12 August 2011 01:23

Phenols & Phenolic Compounds: Physical & Chemical Properties

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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)

p-tert-BUTYLPHENOL
98-54-4

237

98

150.21

sol

@ 80 °C

4-tert-BUTYLPYRO­CATECHOL
98-29-3

285

53.5

166.21

CATECHOL
120-80-9

monoclinic tablets, prisms from toluene; colourless crystals; colourless crystals, discolours to brown on exposure to air and light, especially when moist

245

105

110.11

v sol

1.344

3.79

3x
10- 2 mm Hg

127 cc

510

p-CHLORO-m-CRESOL
59-50-7

dimorphous crystals; needles from petroleum ether; white or slightly pink crystals

235

67

142.58

sl sol

2-CHLOROPHENOL
95-57-8

light amber liquid; colourless to yellow brown liquid

174.9

9.3

128.6

sl sol

1.2634

4.4

0.23

64 cc

3-CHLOROPHENOL
108-43-0

needles; white crystals

214

33

128.6

sl sol

@25 ºC

@ 44.2 ºC

>112

4-CHLOROPHENOL
106-48-9

needle like, white to straw-coloured crystals; pink crystals

220

43

128.6

sl sol

@ 78 ºC/4 ºC

4.43

13 Pa

121 cc

CRESOL, ALL ISOMERS
1319-77-3

colourless, yellowish, brownish-yellow, or pinkish liquid

191-203

11-35

108.13

50 parts

@ 25 °C/ 25 °C

3.72

@ 25 °C

1.1 ll
? ul

43-82

559

o-CRESOL-
95-48-7

colourless crystalline compound; white crystals/liquid

191

31

108.1

sol

1.047

3.72

@ 25 °C

1.35 ll
? ul

81 cc

599

m-CRESOL
108-39-4

colourless or yellowish liquid

202

12

108.1

sl sol

1.034

3.72

@ 25 °C

1.1 ll
? ul

86 cc

558

p-CRESOL
106-44-5

crystals; prisms; colourless; white crystals; crystalline mass

201.9

35

108.13

sl sol

1.0178

3.72

@ 25 °C

1.1 ll
? ul

86 cc

559

2,6-DI-tert-BUTYL-p-­CRESOL
128-37-0

white crystalline solid; pale yellowish crystalline powder

265

70

220.34

insol

1.048

7.6

127 cc

2,6-DI-tert-BUTYLPHE­NOL
128-39-2

133

39

206.31

2,4-DICHLOROPHENOL
120-83-2

colourless crystals; hexagonal needles from benzene; white solid

210

45

163.00

sl sol

@ 60 ºC/25 ºC

5.62

@ 25.0 ºC

114

2,5-DICHLOROPHENOL
583-78-8

prisms from benzene & petroleum ether

@ 744 mm Hg

59

163.0

sl sol

5.6

@ 25 ºC

3,5-DICHLOROPHENOL
591-35-5

prisms from petroleum ether

@ 757 mm Hg

68

163.00

sl sol

5.6

@ 25 ºC

2,4-DIMETHYLPHENOL
105-67-9

crystals; needles from water; colourless needles

@ 766 mm Hg

25.4-26

122.16

sl sol

0.9650

@ 92.3 °C

DINITRO-o-CRESOL
534-52-1

312

87

198.13

sl sol

6.8

@ 25 °C

HYDROQUINONE
123-31-9

colourless, hexagonal prisms; white crystals; monoclinic prisms (sublimation); needles from water; prisms from methanol

285-287

172

110.11

sol

1.332

3.81

0.12 Pa

165

515

2-HYDROXYBIPHENYL
90-43-7

needles from petroleum ether; pinkish crystals; white, flaky crystals; colourless crystals

286

59

170.20

insol

@ 25 °C/4 °C

@ 163 °C

124 cc

530

4-METHOXYPHENOL
150-76-5

plates from water; white waxy solid

243

57

124.14

sol

1.55

132 oc

421

NONYLPHENOL, ALL ISOMERS
25154-52-3

thick light yellow, straw coloured liquid

293-297

-10

220.39

insol

0.950

7.59

<0.01

1.0 ll
? ul

140 cc

370

PENTACHLOROPHE­NOL
87-86-5

colourless crystals (pure); dark greyish powder or flakes (crude product); solid beads or flakes; white monoclinic, crystalline solid; needle-like crystals

309-310

190-191

266.3

sl sol

@ 22 ºC/4 ºC

9.20

0.02 Pa

PENTACHLOROPHE­NOL, SODIUM SALT
131-52-2

buff coloured flakes; white or tan powder

288.34

@ 25 ºC

PHENOL
108-95-2

colourless, acicular crystals or white, crystalline mass; colourless to light pink, interlaced, or separate, needleshaped crystals, or a light pink, crystalline mass

181.8

43

94.11

sol

1.0576

3.24

47 Pa

1.7 ll
8.6 ul

79 cc

715

PYROGALLIC ACID
87-66-1

white crystals; orthorhombic; leaflets or needles from benzene

309

133

126.11

v sol

1.45

@ 168 °C

RESORCINOL
108-46-3

white needle-like crystals; needles from benzene; plates from water; rhombic tablets & pyramids; powder

280

111

110.11

sol

1.2717

1.0739

@ 108.4 °C

@ 200 °C ll

2,3,4,6-TETRACHLO­ROPHENOL
58-90-2

needles from ligroin, acetic acid; brown flakes or sublimed mass; light brown mass

@ 15 mm Hg

70

231.89

insol

@ 25 ºC/4 ºC

@ 100.0 ºC

2,3,5,6-TETRACHLO­ROPHENOL
935-95-5

leaf, from ligroin

288

115

231.89

sl sol

1.7

8.1

<10 Pa

4,4'-THIO-BIS-(6-tert-­BUTYL-M-CRESOL)
96-69-5

light grey powder; fine white crystals

150

358.58

0.08%

2,3,4-TRICHLORO­PHENOL
15950-66-0

white powder or needles

83.5 sublimes

197.5

2,3,5-TRICHLORO­PHENOL
933-78-8

colourless crystals

248-249

62

197.4

insol

6.8

2,3,6-TRICHLORO­PHENOL
933-75-5

needles from diluted alcohol, petroleum ether; colourless needles

253

58

197.44

sl sol

1.5

6.82

78

2,4,5-TRICHLORO­PHENOL
95-95-4

needles from alcohol or ligroin; gray flakes in sublimed mass; colourless needles

253

67

197.4

sl sol

@ 25 ºC/4 ºC

@ 25 ºC

2,4,6-TRICHLORO­PHENOL
88-06-2

crystals from ligroin; yellow flakes; rhombic needles from acetic acid; colourless needles

246

69

197.45

@ 25 ºC

1.4901

6.8

@ 76.5 ºC

 

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