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Dichloromethylsilane

Also known as: Methyldichlorosilane, Methylhydrogendichlorosilane, Methylsilicondichloride, Dichloro(methyl)silane, Dichlorohydridomethylsilicon, Dow Corning product Z-1218, Silane, dichloromethyl-, CM8750, EINECS 200-877-1, MFCD00000494

Dichloromethylsilane (CAS 75-54-7) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula CH4Cl2Si and a molecular weight of 115.034 g/mol. Key properties include a melting point of -93 °C, a boiling point of 38.4±9.0 °C at 760 mmHg, a density of 1.105 g/mL at 25 °C(lit.) and a flash point of -32.2±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H261 and H301 — Toxic if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
75-54-7
Jingsj CID
J-29753-6
Molecular Formula
CH4Cl2Si
Molecular Weight
115.034 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-93 °C
Boiling Point38.4±9.0 °C at 760 mmHg
Density1.105 g/mL at 25 °C(lit.)
Flash Point-32.2±0.0 °C
Exact Mass113.945930
LogP3.77
Additional Property4 (vs air)
Vapor Pressure468.2±0.1 mmHg at 25°C
Refractive Indexn20/D 1.398(lit.)
Additional PropertyDECOMPOSES

GHS Safety & Compliance

Flammable / Corrosion / Acute ToxicitySignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H261
  • H301 — Toxic if swallowed
  • H331 — Toxic if inhaled
  • H314 — Causes severe skin burns and eye damage

Frequently Asked Questions

What is the CAS number of Dichloromethylsilane?

The CAS number of Dichloromethylsilane is 75-54-7.

What are the molecular formula and molecular weight of Dichloromethylsilane?

Dichloromethylsilane has molecular formula CH4Cl2Si and molecular weight 115.034 g/mol.

Is Dichloromethylsilane hazardous?

Dichloromethylsilane has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H261; H301 — Toxic if swallowed.

What are the upstream and downstream products of Dichloromethylsilane?

For Dichloromethylsilane, Upstream Products: Methyltrichlorosilane, 1,2-dichloro-1,1,2,2-tetramethyldisilane, Chloromethane; Downstream Products: 2-Cyanoethylmethyldichlorosilane, 1H,1H,2H,2H-Perfluorodecylmethyldichlorosilane, Methyl[bis(2-methyl-2-propanyl)]silane.

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

Last updated:

How to cite: Jingsj. "Dichloromethylsilane (CAS 75-54-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29753-6 (accessed 2026-11-06).

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