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)

CALCIUM SILICATE
1344-95-2

white powder

insol

2.9

ETHYL SILICATE
78-10-4

colourless liquid

168.8

-82.5

208.30

insol

0.933

7.22

1.0 mm Hg

1.3 ll
23 ul

52 oc

METHYL DICHLOROSILANE
75-54-7

colourless liquid

41

-93

115.04

sl sol

@ 27 °C

3.97

46

6.0 ll
55 ul

-9 cc

316

METHYL SILICATE
681-84-5

colourless liquid

121-122

-2

152.25

reacts

1.032

5.3

2.2

METHYL TRICHLOROSILANE
75-79-6

colourless liquid

66.4

-90

149.48

reacts

@ 25 °C

5.17

17.9

5.1 ll
? ul

8

404

POLYDIMETHYLSIL­OXANE
9016-00-6

clear fluids available in wide range of viscosities

insol

0.97

>200

SILANE, DICHLORO-
4109-96-0

compressed, liquified gas

8.2

-122.0

101.01

1.22

3.484

4.1 ll
99 ul

-307

100 58

SILICIC ACID, DISODIUM SALT
6834-92-0

colourless monoclinic crystals; usually obtained as a glass; also orthorhombic crystals; dustless white granules

1089

122.07

sol

2.614

SILICON CARBIDE
409-21-2

exceedingly hard, green to bluish-black, iridescent, sharp crystals; hexagonal or cubic

2600

40.07

insol

3.23

SILICON MONOXIDE
10477-28-6

amorphous black solid

2.15-2.18

SILICON TETRAHYDRIDE
7803-62-5

gas; colourless

-112

-185

32.13

slowly decomposes

@ 19 °C

1.114

1.37

-22

SILICON TETRA­FLUORIDE
7783-61-1

colourless gas

-86

-90.2

104.06

@ -80 °C (liquid)

3.57

SILICON
7440-21-3

black to gray, lustrous, needle-like crystals or octahedral platelets (cubic system); amorphous form is dark brown powder

2355

1410

28.0855

insol

@ 25 °C/4 °C

SODIUM SILICATE
1344-09-8

colourless to white or grayish-white, crystal-like pieces or lumps; lumps of greenish glass; white powders; liquids cloudy or clear

sl sol

TETRACHLOROSILANE
10026-04-7

colourless, clear, mobile liquid

59

-70

169.89

@ 0 °C/4 °C

5.9

@ 5.4 °C

TRICHLOROSILANE
10025-78-2

colourless liquid

31.8

-126.5

135.47

1.3417

4.7

@ -16.4 °C

1.2 ll
90.5 ul

-14 oc

93-104

TRIMETHYLCHLOR­OSILANE
75-77-4

colourless liquid

57

-57.7

108.66

reacts

@ 25 °C

3.75

26.7

1.8 ll
6 ul

-27