Trichlorosilane CAS#10025-78-2

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)


Factory Showcase

拼图_美图设计室-(1)

Quality Control Lab

实验室

Shipping And Transportation

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FAQ

Q1: Is Huafeng Chemical a manufacturer or a trader?
A: We are a professional service provider specializing in chemical foreign trade. Rather than being limited to the products of a single factory, we leverage the chemical industry cluster in Shandong Province to integrate production resources from multiple high-quality manufacturers. This allows us to offer a wide range of sourcing options—covering various product categories and origins—instead of simply pushing a single product. Furthermore, our core competitiveness lies in our professional foreign trade services (covering documentation, logistics, and regulatory compliance), ensuring a smooth and worry-free procurement process for you.


Q2: How is the security of my transaction guaranteed when working with Huafeng Chemical?
A: We strictly adhere to international trade rules (Incoterms® 2020) and accept various payment methods, such as Letters of Credit (L/C) and Telegraphic Transfers (T/T). For new clients, we support small-batch trial orders and can clearly define arbitration clauses and applicable laws within the contract. Additionally, we maintain a robust risk management system to help you mitigate common trade risks, such as exchange rate fluctuations, shipping delays, and document discrepancies.


Q3: Do you have experience serving clients in Russian-speaking regions?
A: Yes. We place great importance on the Russian-speaking market; our team includes Russian-speaking business professionals who are well-versed in the import regulations of Russia and the Eurasian Economic Union (EAEU). We understand the importance of EAC certification to clients in these regions and can assist with related compliance inquiries. We have established connections with chemical traders across various CIS countries and have gained valuable experience in specialized packaging and temperature-controlled shipping designed to withstand harsh local winter conditions.


Q4: How do you guarantee product quality?
A: We implement a strict supplier qualification and periodic audit system. A Certificate of Analysis (COA)—issued by the original manufacturer—is provided with every shipment. We also welcome pre-shipment inspections conducted by internationally recognized third-party agencies such as SGS, BV, or ITS. Should the test results fail to meet the standards specified in the contract, you have the right to reject the goods or request a replacement.

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