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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

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.



Phone ：+86 18626059817
WhatsApp ：+86 18626059817
Email ：cora@wxqysteel.com
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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We are a supply chain service provider rather than a single manufacturer. Instead of being tied to one specific factory, we have established deep partnerships with numerous high-quality domestic chemical enterprises that hold certifications such as ISO and REACH. This allows us to flexibly match the most suitable supply sources to your needs while independently conducting third-party quality inspections to ensure delivery quality and price competitiveness.
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We maintain transit warehouses with standing inventory in Southeast Asia, the Middle East, and Eastern Europe.
For you: You can pick up goods directly from local warehouses without the need for full-container orders; delivery times are reduced from the standard 30–45 days to just 3–5 days.
Reduced inventory pressure: You can purchase small batches for trial and quality verification before scaling up orders, avoiding the need to tie up large amounts of capital upfront.
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For standard products, the MOQ is typically one 20-foot container (approx. 16–20 tons) for direct shipments from China. However, for stock picked up from overseas warehouses, we support orders starting from 1 ton—ideal for sample testing or small-batch production. Specific MOQs depend on the product category and packaging type; please contact us for details.
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We implement a "three-level quality control" system:
Before leaving the factory: We require the factory to provide a Certificate of Analysis (COA) for the specific batch.
Before shipment: We commission international third-party agencies like SGS or Intertek to conduct random inspections, with costs covered by us (for long-term partners).
After arrival: If quality issues arise, we commit to unconditional negotiation regarding returns, exchanges, or compensation, and we assume full responsibility. All terms are stipulated in the contract.
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FOB (China Port): Goods are prepared and shipped within 7–15 working days after the contract is signed and the prepayment is received.
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Which trade terms do you offer? Do you support DDP (Delivered Duty Paid)?

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We are proficient in handling common terms such as FOB, CIF, CFR, and EXW. Additionally, for regions covered by our overseas warehouses, we offer DDP services (including duties and door-to-door delivery), allowing you to receive goods without the hassle of complex import customs clearance procedures. Please consult your sales manager for specific costs.
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How can I obtain samples? What are the costs?

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If stock is available at an overseas warehouse, we can provide 1–2 kg of samples for free; you only need to cover the local courier fees.
If shipping from China, we can arrange delivery via DHL or FedEx; samples are free, but you bear the international shipping costs. Once a clear intent to cooperate is established, these shipping costs can be deducted from your first order.
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We offer a price protection mechanism:
For fixed-price contracts, we do not unilaterally raise prices due to market increases.
If you anticipate a market downturn, we can negotiate floating pricing—settling based on a benchmark price on the date of shipment or arrival—to flexibly manage fluctuations.
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What does your after-sales service include?

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We provide full-lifecycle service:
Usage Guidance: Assistance with adjusting processing parameters (if required).
Complaint Handling: Response within 48 hours and a solution provided within 7 days.
Regular follow-ups: Proactive contact every six months to understand changing needs and optimize supply solutions.
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