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Sunday, 07 August 2011 00:38

Azides: 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)

3-AMINO-9-ETHYL­CARBAZOLE
132-32-1

crystalline compound

127

210.3

AMINOAZOTOLUENE
97-56-3

golden crystals; reddish-brown to yellow crystals; yellow leaves from alcohol

102

225.28

@ 25 °C

@ 25 °C

AZASERINE
115-02-6

orthorhombic, pale yellow to green crystals from 90% ethanol.

157

173.13

@ 25 °C

@ 25 °C

1,1'-AZOBIS(FORMAMIDE)
123-77-3

orange-red crystals; yellow powder

212 decomp

116.08

sl sol

1.65

AZOBENZENE
103-33-3

orange-red leaflets; solid, orange-red crystals; yellow or orange crystals

293

68

182.22

insol in water

@ 20 º C/4 º C

@ 103 º C

CYANURIC CHLORIDE
108-77-0

crystals from ether or benzene; colourless, monoclinic crystals

190

154

184.41

insol

1.32

6.36

@ 70 °C

DIAZOMETHANE
334-88-3

yellow gas

-23

-145

42.04

1.45

1.45

1,2-DIETHYLHYDRAZINE
1615-80-1

85.5

88.15

@ 26 °C

1,1-DIMETHYLHYDRA­ZINE
57-14-7

clear, colourless liquid

63.9

-58

60.1

v sol

@ 22 °C/4 °C

1.94

16.4

2 ll
95 ul

-15 cc

249

1,2-DIMETHYLHYDRA­ZINE
540-73-8

clear, colourless liquid

@ 753 mm Hg

-9

60.10

misc

0.8274

@ 24.46 °C

< 23 cc

EDETIC ACID
60-00-4

white crystalline powder

240 decomp

292.24

@ 25 °C

HYDRAZINE
302-01-2

colourless oily liquid; white crystals

113

2.0

32.05

misc

@ 15 °C/4

1.1

2.1

4 ll
100 ul

38 cc

270

HYDRAZINE HYDROCHLORIDE
2644-70-4

white crystalline flakes

190 decomp

81-87

sol

HYDRAZINE SULPHATE
10034-93-2

orthorhombic crystals; glass like plates or prisms; white crystalline powder; colourless rhombic crystals

254

130.12

v sol

@ 25 °C

2-HYDRAZINOETHANOL
109-84-2

@ 754 mm Hg

-70

76.10

v sol

@ 25 °C

HYDRAZOBENZENE
122-66-7

tablets from alcohol & ether

131

184.2

@ 16 °C/4 °C

@ 103 °C

HYDRAZOIC ACID
7782-79-8

colourless volatile liquid

37

-80

METHYLHYDRAZINE
60-34-4

colourless liquid

87.5

-52.4

46.07

sol

@ 25 °C

1.6

@ 25 °C

2.5 ll
97 ul

0 oc

194

PHENYLHYDRAZINE
100-63-0

monoclinic prisms or oil; colourless, oily liquid; colourless to pale yellow solid or liquid

243.5

19.5

108.14

sol

1.098

3.7

@ 71.8 °C

88 cc

174

PHENYLHYDRAZINE HYDROCHLORIDE
59-88-1

sublimes

243-246 decomp

144.60

v sol

SODIUM AZIDE
26628-22-8

white, crystalline solid; colourless hexagonal crystals

275 decomp

65.02

v sol

1.846

SODIUM DICHLOROCYANURATE
2893-78-9

white, crystalline powder

240-250 decomp

- 220.96

25 g/100 ml

>1

1,2,4-TRIAZOLE
288-88-0

needles

260

120-121

v sol

TRICHLOROISOCYA­NURIC ACID
87-90-1

needles from ethylene chloride; white crystalline powder or granules

246.7 decomp

232.4

sol

> 1 (solid)

 

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