1,2-Bis(trichlorosilyl)ethane

Also known as: Silane, 1,1'-(1,2-ethanediyl)bis[1,1,1-trichloro-, 1,1,1,4,4,4-hexachloro-1,4-disilabutane, trichloro(2-trichlorosilylethyl)silane, Ethylenebis(trichlorosilane), hexachlorodisilethylene, hexa-Si-chloro-Si,Si'-ethanediyl-bis-silane, 1,2-Ethanediylbis(trichlorosilane)

1,2-Bis(trichlorosilyl)ethane (CAS 2504-64-5) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C2H4Cl6Si2 and a molecular weight of 296.942 g/mol. Key properties include a melting point of 27-29 °C(lit.), a boiling point of 199.0±13.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 72.3±14.6 °C. It is classified under GHS with signal word Danger and hazard statements 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.: 2504-64-5
Jingsj CID: J-23994-1
Molecular Formula: C₂H₄Cl₆Si₂
Molecular Weight: 296.942 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	27-29 °C(lit.)
Boiling Point	199.0±13.0 °C at 760 mmHg
Density	1.5±0.1 g/cm3
Flash Point	72.3±14.6 °C
Exact Mass	293.798279
LogP	8.47
Vapor Pressure	0.5±0.4 mmHg at 25°C
Refractive Index	1.486
Storage Conditions	2-8°C

GHS Safety & Compliance

CorrosionSignal word: Danger

H314 — Causes severe skin burns and eye damage

Frequently Asked Questions

What is the CAS number of 1,2-Bis(trichlorosilyl)ethane?

The CAS number of 1,2-Bis(trichlorosilyl)ethane is 2504-64-5.

What are the molecular formula and molecular weight of 1,2-Bis(trichlorosilyl)ethane?

1,2-Bis(trichlorosilyl)ethane has molecular formula C2H4Cl6Si2 and molecular weight 296.942 g/mol.

Is 1,2-Bis(trichlorosilyl)ethane hazardous?

1,2-Bis(trichlorosilyl)ethane has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.

What are the upstream and downstream products of 1,2-Bis(trichlorosilyl)ethane?

For 1,2-Bis(trichlorosilyl)ethane, Upstream Products: Acetylene, Trichlorovinylsilane, Trichlorosilane; Downstream Products: 1,2-Bis(triethoxysilyl)ethane, 1,2-bis(trimethoxysilyl)ethane.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1,2-Bis(trichlorosilyl)ethane (CAS 2504-64-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23994-1 (accessed 2026-11-09).

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