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Sunday, 07 August 2011 00:57

Cyano 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)

ACETONITRILE
75-05-8

colourless, limpid liquid

81.6

-45

41.05

misc

0.7857

1.42

@ 24 C

3.0 ll
16.0 ul

128 cc

524

ACRYLONITRILE
107-13-1

clear, colourless liquid

77.3

-83.5

53.06

7g/100 ml

0.8060

@ 25 °C

11.0

3 ll
17 ul

-1 cc

481

ADIPONITRILE
111-69-3

needles from ether; colourless liquid

295

1

108.1

sl sol

0.9676

3.73

@ 25 °C

@ 200 °C

550

ALLYL ISOTHIOCYANATE
57-06-7

colourless to pale yellow, oily liquid

152

-80

99.15

sl sol

1.0126

3.41

@ 38.3 °C

461

AMMONIUM THIOCYANATE
1762-95-4

colourless, monoclinic crystals

149.6

76.12

@ 0 °C; v sol in hot water

1.3057 g/ml

BENZONITRILE
100-47-0

liquid; transparent colourless oil

191

-13

103.1

sl sol

@ 15 °C/15 °C

3.6

0.1

75 cc

550

BUTYRONITRILE
109-74-0

colourless liquid

117.5

-112

69.10

sl sol

0.7936

2.4

@ 25 °C

1.65 ll
? ul

501

CALCIUM CYANAMIDE
156-62-7

pure calcium cyanamide occurs as glistening, hexagonal crystals belonging to the rhombohedral system; colourless crystals or powder

1340

80.11

insol

2.29

CALCIUM CYANIDE
592-01-8

white powder; rhombohedric crystals or powder

>350 decomp

92.12

sol

1.853 (solid)

CHLOROACETONITRILE
107-14-2

colourless liquid

126

75.50

insol

1.1930

2.61

1.15

1.0 ll
? ul

56

o-CHLOROBENZYLIDENE­MALONONITRILE
2698-41-1

white crystalline solid

310-315

93-95

188.62

insol

3.4x
10- 5 mm Hg

CYANAMIDE
420-04-2

orthorhombic, elongated, six-sided tablets from dimethyl phthalate; crystallizes from a variety of solvents as somewhat unstable, colourless, orthorhombic, deliquescent crystals.

@ 0.5 mm Hg

45-46

42.04

v sol

1.282

1.45

141

METHYL 2-CYANOACRYLATE
137-05-3

colourless, viscous liquid

@ 1.8 mm Hg

111.10

2.95x
10+ 5 mg/l

1.1012

@ 25 °C.

CYANOGEN
460-19-5

colourless gas

-21.1

-27.9

52.0

sol

@ -21.17 °C/4 °C

1.8

@ -21.0 °C

6.6 ll
32 ul

CYANOGEN BROMIDE
506-68-3

cubes; colourless or white needle-like crystals

61.5

52

105.0

sol

2.015

3.62

12.3

CYANOGEN CHLORIDE
506-77-4

colourless liquid or gas

13

-6.5

61.5

sol

1.186

2.16

@ 21.1 °C

DICYANODIAMIDE
461-58-5

monoclinic prismatic crystals from water or alcohol; pure white crystals

211

84.08

sol

@ 25 °C/4 °C

HYDRACRYLONITRILE
109-78-4

water-white liquid; straw-coloured liquid

230

-46

71.08

misc

1.041

2.45

@ 25 °C

1294 oc

505

2-HYDROXY-2-METHYL­PROPIONITRILE
75-86-5

colourless liquid

95

-19

85.10

v sol

@ 25 °C/4

2.93

106 Pa

2.2 ll
12.0. ul

63-74 cc

688

HYDROGEN CYANIDE
74-90-8

colourless gas or liquid; water-white liquid below 26.5 °C; colourless to bluish white liquid

26

-13.4

27.0

misc

0.6876

0.94

81.8

5.6 ll
40.0 ul

-1778 cc

538

HYDROXYACETONITRILE
107-16-4

colourless, water-white, oily liquid

183 decomp

<-72

57.06

v sol

1.10

1.96

@ 63 °C

IODINE CYANIDE
506-78-5

crystals

>45 sub

146.5

152.92

reacts

@ 18 °C

5.3

@ 25.2 °C

ISOBUTYRONITRILE
78-82-0

colourless liquid

103.8

-71.5

69.1

sl sol

@ 30 °C/4 °C

2.38

@ 25 °C

8 cc

482

ISOCYANURIC ACID
108-80-5

anhydrous crystals from concn hydrochloric acid or sulfuric acid; crystalline powder

360

129.08

1 g/200 ml

2.500

LACTONITRILE
78-97-7

yellow liquid; straw-colored liq

@ 30 mm Hg

-40

71.1

sol

@ 20 ° C/4 ° C

17 mm Hg at 90 ° C

MALONONITRILE
109-77-3

white powder; colourless solid

218.5

32

66.06

sol

1.1910

@ 99 °C

MANDELONITRILE
532-28-5

oily, yellow liquid

170

-10

1.1165

METHYLACRYLONITRILE
126-98-7

colourless liquid

90.3

-35.8

67.10

insol

0.8001

2.31

@ 25 °C

2 ll
6.8 ul

13 oc

PHENYLACETONITRILE
140-29-4

colourless oily liquid

233.5

-23.8

117.14

insol

@ 15 °C/15 °C

@ 60.0 °C

m-PHTHALODINITRILE
626-17-5

265 sub

162

128.13

sl sol

@ 40 °C

PHTHALONITRILE
91-15-6

needles from water or petroleum ether; buff-coloured crystals

141

128.1

sl sol

POTASSIUM CYANATE
590-28-3

white crystalline powder; colourless, tetragonal/crystal

315

81.12

@ 25 ° C

@ 20 ° C

SODIUM CYANIDE
143-33-9

colourless cubes; white solid in form of granules, flakes, or eggs

1496

563.7

49.02

@ 10 °C

1.6

POTASSIUM THIOCYANATE
333-20-0

97.18

PROPIONITRILE
107-12-0

colourless liquid

97.1

-92

55.08

v sol

0.7818

1.9

5.2

3.1 ll
? ul

6 cc

POTASSIUM CYANIDE
151-50-8

white, granular powder or fused pieces; white amorphous lumps or crystalline mass; colourless cubes

634

65.11

decomposes

1.553

SUCCINONITRILE
110-61-2

266

54.5

80.09

v sol

@ 60 °C

TETRAMETHYL­SUCCINONITRILE
3333-52-6

solid

1.070

170 sub

136.19

insol

@ 25 °C

4.7

 

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Contents

Preface
Part I. The Body
Part II. Health Care
Part III. Management & Policy
Part IV. Tools and Approaches
Part V. Psychosocial and Organizational Factors
Part VI. General Hazards
Part VII. The Environment
Part VIII. Accidents and Safety Management
Part IX. Chemicals
Part X. Industries Based on Biological Resources
Part XI. Industries Based on Natural Resources
Part XII. Chemical Industries
Part XIII. Manufacturing Industries
Part XIV. Textile and Apparel Industries
Part XV. Transport Industries
Part XVI. Construction
Part XVII. Services and Trade
Part XVIII. Guides