Chemical Name
CAS-Number

Colour/Form

Boiling Point (ºC)

Melting Point (ºC)

Molecular Weight

Solubility in Water

Relative Density (water=1)

Relative Vapour Density (air=1)

Vapour Pressure/ (Kpa)

Inflam.
Limits

Flash Point (ºC)

Auto Ignition Point (ºC)

BUTANE
106-97-8

colourless gas

-0.5

-138

58.12

sol

0.5788

@ 0 ºC

@ 21.1 ºC

1.6 ll
8.4 ul

flamm­able gas

287

CYCLOHEXANE
110-82-7

colourless mobile liquid

80.7

6.5

84.2

insol

0.778

2.98

12.7

1.3 ll
8.4 ul

-18 cc

260

CYCLOPENTANE
287-92-3

colourless liquid

49

-94

70.2

insol

0.7457

2.42

45

1.1 ll
8.7 ul

-37 cc

361

CYCLOPROPANE
75-19-4

colourless gas

-33

-127.6

42.08

sol

@ 0 ºC

1.88

2.4 ll
10.3 ul

497

DECANE
124-18-5

colourless liquid

174.1

-29.7

142.3

insol

0.7300

4.90

@ 25 ºC

0.8 ll
5.4 ul

46 cc

210

2,2-DIMETHYLBUTANE
75-83-2

colourless liquid

49.7

-99.9

86.2

insol

0.6485

3.0

@ 31.0 ºC

1.2 ll
7.0 ul

-48 cc

405

2,3-DIMETHYLBUTANE
79-29-8

colourless liquid

58.0

-128.53

86.2

insol

0.6616

3.0

@ 39.0 ºC

1.2 ll
7.0 ul

-29 cc

405

2,2-DIMETHYLPROPANE
463-82-1

liquid or gas

9.5

-16.6

72.15

insol

0.613

2.5

@ 21 ºC

1.4 ll
7.5 ul

<-7

450

ETHANE
74-84-0

colourless gas

-89

-183

30.1

@ 25 ºC

@ 0 ºC/4 ºC

1.04

3850

3.0. ll
12.5 ul

flamm­able gas

472

HEPTANE
142-82-5

liquid

98

-90

100.2

insol

0.68

3.46

4.8

1.1 ll
6.7 ul

-1

215

HEXANE
110-54-3

colourless liquid

69

-95

86.2

insol

0.66

2.97

16

1.1 ll
7.5 ul

-22 cc

240

ISOBUTANE
75-28-5

colourless gas

-11.63

-138.3

58.12

sl sol

0.5572

2.0

1.8 ll
8.4 ul

ISOHEXANE
107-83-5

colourless liquid

60

-153.7

86.2

insol

0.6532

3.00

@1.6 ºC

1.2 ll
7.0 ul

<-7 cc

306

2-METHYLBUTANE
78-78-4

colourless liquid

28

-159.9

72.15

insol

0.6201

2.48

79

1.4 ll
7.6 ul

<-51cc

420

METHYLCYCLOHEXANE
108-87-2

colourless liquid

100.9

-126.6

98.2

insol

0.7694

3.39

@ 25 ºC

1.2 ll
6.7 ul

-6 oc

258

2-METHYLHEPTANE
592-27-8

liquid

116

-109

114.2

insol

0.6980

3.9

@ 38 ºC

1.0 ll
? ul

44

3-METHYLPENTANE
96-14-0

colourless liquid

63.2

-163

86.2

insol

0.6645

3.0

1.2 ll
7.0 ul

NONANE
111-84-2

colourless liquid

150.8

-51

128.3

insol

0.7176

4.41

@ 25 ºC

0.8 ll
2.9 ul

OCTANE
111-65-9

colourless liquid

125.6

-56.8

114.22

insol

0.7028

3.86

1.47

1.0 ll
6.5 ul

13 cc

220

PENTANE
109-66-0

colourless liquid

36.0

-130

72.15

sl sol

0.6262

2.49

56.8

1.5 ll
7.8 ul

-49 cc

309

PROPANE
74-98-6

colourless gas

-42.1

-189.7

44.09

sol

@ -45 ºC/4 ºC

@ 0 ºC

@ 25 ºC

2.1 ll
9.5 ul

flamm­able gas

450

2,2,4-TRIMETHYL­PENTANE
540-84-1

mobile liquid; colourless liquid

99.2

-107

114.22

insol

0.6919

3.93

5.1

1.1 ll
6.0 ul

45 oc

417