Registration Dossier

Physical & Chemical properties

Endpoint summary

Administrative data

Description of key information

Additional information

Overview of physico-chemical properties of trichlorosilane

Property

Results

 

Remarks

Physical state at 20°C and 101.3 kPa

Colorless liquid

-

Melting / freezing point

-126.5oC

-

Boiling point:

31.8oC

at 760 mm Hg

Relative density:

1.34

at 20 deg C

Vapour pressure:

590 mm Hg

78.6 kPa

at 25 °C; estimated value

Surface tension:

-

-

Water solubility:

-

Reacts violently with water, R14

Partition coefficient n-octanol/water (log value):

-

Inorganic substance

Flash point:

-14°C (Open cup)

-27°C (Closed cup)

-

Flammability:

Extremely Flammable

-

Explosive properties:

Not Explosive

Contains no groups associated with explosive properties

Self-ignition temperature:

182 deg C

-

Oxidising properties:

Not oxidizing

-

Granulometry:

Not applicable

Liquid substance

Viscosity

0.397 centipoise at 0oC;

0.332 centipoise at 20oC; 0.316 centipoise at 25oC

-