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Friday, 12 August 2011 00:38

Silicon & Organosilicon 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)

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

 

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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
Guide to Occupations
Guide to Chemicals
Resources
Guide to Units and Abbreviations