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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