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Ethyldichlorosilane

Also known as: Dichloroethylsilane, Dichloro(ethyl)silane, Monoethyldichlorosilane, Silane, dichloroethyl-, dichloro(ethyl)silicon, dichloroethyl-silan, Ethyl dichlorosilane

Ethyldichlorosilane (CAS 1789-58-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C2H6Cl2Si and a molecular weight of 129.061 g/mol. Key properties include a melting point of -107°C, a boiling point of 69.8±9.0 °C at 760 mmHg, a density of 1.089 g/mL at 20 °C(lit.) and a flash point of -11.6±5.7 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H260 and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1789-58-8
Jingsj CID
J-41053-7
Molecular Formula
C2H6Cl2Si
Molecular Weight
129.061 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026
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Physicochemical Properties

Melting Point-107°C
Boiling Point69.8±9.0 °C at 760 mmHg
Density1.089 g/mL at 20 °C(lit.)
Flash Point-11.6±5.7 °C
Exact Mass127.961578
LogP4.30
Vapor Pressure143.9±0.1 mmHg at 25°C
Refractive Indexn20/D 1.415

GHS Safety & Compliance

Flammable / Corrosion / Irritant / Health HazardSignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H260
  • H314 — Causes severe skin burns and eye damage
  • H334 — May cause allergy or asthma symptoms if inhaled
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2931900090
Summary2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Ethyldichlorosilane?

The CAS number of Ethyldichlorosilane is 1789-58-8.

What are the molecular formula and molecular weight of Ethyldichlorosilane?

Ethyldichlorosilane has molecular formula C2H6Cl2Si and molecular weight 129.061 g/mol.

Is Ethyldichlorosilane hazardous?

Ethyldichlorosilane has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H260; H314 — Causes severe skin burns and eye damage.

What are the upstream and downstream products of Ethyldichlorosilane?

For Ethyldichlorosilane, Upstream Products: Chloroethane, Trichlorosilane, Ethylmagnesium bromide; Downstream Products: Dichlorodiethylsilane, Chloromethyl methyl sulfide, Ethyldimethylsilane.

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

Last updated:

How to cite: Jingsj. "Ethyldichlorosilane (CAS 1789-58-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-41053-7 (accessed 2026-11-09).

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