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  • Trichlorosilane CAS#10025-78-2
  • Trichlorosilane CAS#10025-78-2
  • Trichlorosilane CAS#10025-78-2
  • Trichlorosilane CAS#10025-78-2
  • Trichlorosilane CAS#10025-78-2

›

Trichlorosilane CAS#10025-78-2

Trichlorosilane CAS#10025-78-2

Basic Information

High Thermal Stability‌：More stable than dichlorosilane at high temperatures.


Solubility in Organic Solvents‌：Easily dissolves in benzene and ether, facilitating chemical processing.


Reactivity with Reducing Agents‌：Can be reduced to silane using lithium aluminum hydride or lithium borohydride, useful in synthesis.


‌Non-corrosive to Dry Metals‌：Does not corrode iron or stainless steel in anhydrous conditions, ensuring material compatibility.



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product description

Products Description of Trichlorosilane CAS#10025-78-2

Trichlorosilane is a highly flammable, volatile liquid with a pungent odor, posing fire/explosion risks even below -18 °C. It reacts violently with water, alkalis and oxidizers, decomposes at 900 °C into toxic fumes, and forms explosive air mixtures. It reacts with acetylene/hydrocarbons and can be reduced to silane. Soluble in organic solvents; anhydrous form is non-corrosive to iron/stainless steel but corrosive to most metals when moist.


Product Applications of Trichlorosilane CAS#10025-78-2

Trichlorosilane is the primary precursor for polysilicon and organosilicon polymer production, with additional use in industrial instrumentation.


Product Information

Parameters


Melting point

-127 °C

Boiling point

32-34 °C(lit.)

density

1.342 g/mL at 25 °C(lit.)

vapor density

1 (vs air)

vapor pressure

9.75 psi ( 20 °C)

refractive index

1.4-1.402

Fp

7 °F

storage temp.

Refrigerator

solubility

Soluble in benzene, ether, heptane, chloroform and carbon tetrachloride.

form

Liquid

Specific Gravity

1.342

color

Colorless

Odor

Sharp, choking, like hydrochloric acid.

explosive limit

70%

Water Solubility

decomposes

Sensitive

Air & Moisture Sensitive

Hydrolytic Sensitivity

8: reacts rapidly with moisture, water, protic solvents

Merck

14,9646

Stability:

Stable, but extremely flammable. Pyrophoric - spontaneously ignites in air. Explosion hazard in air - note wide explosion limits. Reacts violently with water. Incompatible with moisture, acids, bases, strong oxidizing agents, alcohols, amines.

InChIKey

ZDHXKXAHOVTTAH-UHFFFAOYSA-N

CAS DataBase Reference

10025-78-2(CAS DataBase Reference)

NIST Chemistry Reference

Trichlorosilane(10025-78-2)

EPA Substance Registry System

Trichlorosilane (10025-78-2)


Safety Information


Hazard Codes

F+,C

Risk Statements

12-14-17-20/22-29-35

Safety Statements

16-26-36/37/39-43-45-7/9-43A

RIDADR

UN 1295 4.3/PG 1

WGK Germany

1

RTECS

VV5950000

F

4.5-21-31

TSCA

Yes

HazardClass

4.3

PackingGroup

I

HS Code

28530090

Hazardous Substances Data

10025-78-2(Hazardous Substances Data)

Toxicity

LD50 orally in rats: 1.03 g/kg (Smyth)


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