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Methyltrichlorosilane

Also known as: Trichloromethylsilane, Methyl silicochloroform, Trichloro(methyl)silane, Silane, trichloromethyl-, CH3SiCl3, DOW CORNING 产品 Z-1211, CM9000, Methylsilyl trichloride, Methyltrichloromonosilane, UNII-UIR5I18638

Methyltrichlorosilane (CAS 75-79-6) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula CH3Cl3Si and a molecular weight of 149.479 g/mol. Key properties include a melting point of -77 °C, a boiling point of 73.5±3.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of -15.0±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H302 — Harmful if swallowed and H312 — Harmful in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
75-79-6
Jingsj CID
J-29754-7
Molecular Formula
CH3Cl3Si
Molecular Weight
149.479 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-77 °C
Boiling Point73.5±3.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point-15.0±0.0 °C
Exact Mass147.906952
LogP4.19
Additional Property5.2 (vs air)
Vapor Pressure124.5±0.1 mmHg at 25°C
Refractive Index1.434
Additional PropertyREACTS
Additional Property-77.8℃

GHS Safety & Compliance

Flammable / Corrosion / Acute ToxicitySignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H314 — Causes severe skin burns and eye damage
  • H331 — Toxic if inhaled

Customs & Trade Information

HS Code29310095

Frequently Asked Questions

What is the CAS number of Methyltrichlorosilane?

The CAS number of Methyltrichlorosilane is 75-79-6.

What are the molecular formula and molecular weight of Methyltrichlorosilane?

Methyltrichlorosilane has molecular formula CH3Cl3Si and molecular weight 149.479 g/mol.

Is Methyltrichlorosilane hazardous?

Methyltrichlorosilane has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H312 — Harmful in contact with skin.

What are the upstream and downstream products of Methyltrichlorosilane?

For Methyltrichlorosilane, Upstream Products: Methyltrimethoxysilane, Methyltriethoxysilane, Silicon; Downstream Products: Trifluoro(methyl)silane, Tris(dimethylamino)methylsilane, Methyltri-n-propoxysilane.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Methyltrichlorosilane (CAS 75-79-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29754-7 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.