TRICHLOROSILANE
CAS 10025-78-2
Silane Production · Organosilicon Production · Phenyltrichlorosilane Synthesis
- Colourless transparent liquid
- Colourless or yellow-coloured liquid. Mechanical impurities are permitted
- Mass fraction of trichlorosilane, %, min.
- 99,5
- Mass fraction of silicon tetrachloride, %, max.
- 0,25
- Mass fraction of dichlorosilane, %, max.
- 0,05
Technical Specifications
| Parameter | Value | Method / unit |
|---|---|---|
| Colourless transparent liquid | Colourless or yellow-coloured liquid. Mechanical impurities are permitted | — |
| Mass fraction of trichlorosilane, %, min. | 99,5 | % |
| Mass fraction of silicon tetrachloride, %, max. | 0,25 | % |
| Mass fraction of dichlorosilane, %, max. | 0,05 | % |
| Mass fraction of iron, mg/kg, max. | 1,0 | — |
Detailed application areas
Grade A - for export and silane production; Grade B - for the production of organosilicon products; Grade V - for the production of phenyltrichlorosilane used in heat-resistant and electrical-insulation varnishes, resins, hydrophobising fluids and oils.
Use Cases
- Silane Production
- Organosilicon Production
- Phenyltrichlorosilane Synthesis
- Electrical Insulation Varnish
- Hydrophobising Fluid Production
- Heat-resistant Resin Production
Packaging & storage
Packaging
Special tank wagons, special tank containers.
Storage
Trichlorosilane is stored in vessels that comply with the "Rules for the Construction and Safe Operation of Pressure Vessels".
Transport
By rail and road transport.
Shelf Life
Grade A - 90 days from the date of manufacture; Grades B and V - 12 months from the date of manufacture
GHS Hazard Code
4361
Documents
Technical data sheet (TDS)
Review the recorded specifications, packaging and storage information.
View technical data sheet ↗Safety & lot documents
Request the current SDS and the certificate of analysis (CoA) for the lot you are evaluating.
Regulatory and compliance
KORKİMYA supply assurance
Stock in Türkiye
Current availability is confirmed by product and lot with your quote.
KKDİK registered
Every catalog product is KKDİK registered for Türkiye.
CoA for every lot
Verify technical values against the lot's certificate of analysis.
TL invoicing
Turkish lira invoicing is available for domestic purchases.
Payment terms
Discuss terms for your quantity and supply plan when requesting a quote.
Request Sample
Product Information
TRICHLOROSILANE (Cl3HSi) is an industrial product in the silicon chemicals category, used in Silane Production, Organosilicon Production. Typical specifications: Colourless transparent liquid: Colourless or yellow-coloured liquid. Mechanical impurities are permitted; Mass fraction of trichlorosilane, %, min.: 99,5; Mass fraction of silicon tetrachloride, %, max.: 0,25. KORKİMYA supplies TRICHLOROSILANE in Special tank wagons, special tank containers.. Shelf life: Grade A - 90 days from the date of manufacture; Grades B and V - 12 months from the date of manufacture.
Grade A - for export and silane production; Grade B - for the production of organosilicon products; Grade V - for the production of phenyltrichlorosilane used in heat-resistant and electrical-insulation varnishes, resins, hydrophobising fluids and oils.
- Formula
- Cl3HSi
- CAS
- 10025-78-2
- UN No
- 1295
- TN-VED Code
- 2853 90 900 0
- Toxicity Class
- II
- Hazard Code
- 4361
- Packing Group
- 1
- Category
- SILICON CHEMICALS
Synonyms
Frequently asked questions
What is trichlorosilane and what is it used for?
Trichlorosilane (silicochloroform, formula Cl3HSi, main substance min 99.5% by mass) is a chlorosilane intermediate. Grade A is for export and silane production, Grade B for organosilicon products, and Grade V for the production of phenyltrichlorosilane used in heat-resistant and electrical-insulation varnishes.
In what packaging is trichlorosilane supplied, and is it ex-stock?
It is supplied in special tank wagons and special tank containers; it is stored in vessels that comply with the safety rules for pressure vessels. Shelf life is 90 days for Grade A and 12 months for Grades B and V. KORKİMYA offers ex-stock delivery and fast shipping, shortening lead times compared with importing from China.
Is trichlorosilane KKDİK-registered and is a Turkish SDS provided?
Yes. KORKİMYA supplies trichlorosilane as KKDİK-registered and provides a Turkish Safety Data Sheet (SDS) with every shipment. It ships under UN 1295, and a certificate of analysis (CoA) and technical data sheet (TDS) are available on request.
How can I get a sample and a quote for trichlorosilane?
Just contact KORKİMYA for a trichlorosilane quote and a sample. We invoice in TRY, prepare an offer based on your silane or organosilicon production volume, and ship quickly from stock.
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Last updated: 04/10/2026
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