Dichlorodiphenylsilane

Also known as: Diphenyldichlorosilane, Benzene, 1,1'-(dichlorosilylene)bis-, Dichloro(diphenyl)silane, CD5950, Dichlor-difenylsilan, G-SI-GR&R, MFCD00000489, EINECS 201-251-0

Dichlorodiphenylsilane (CAS 80-10-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H10Cl2Si and a molecular weight of 253.199 g/mol. Key properties include a melting point of -22 °C, a boiling point of 305.0±11.0 °C at 760 mmHg, a density of 1.204 and a flash point of 155 ºC. It is classified under GHS with signal word Danger and hazard statements H310 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.: 80-10-4
Jingsj CID: J-40994-9
Molecular Formula: C₁₂H₁₀Cl₂Si
Molecular Weight: 253.199 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	-22 °C
Boiling Point	305.0±11.0 °C at 760 mmHg
Density	1.204
Flash Point	155 ºC
Exact Mass	251.992889
LogP	6.69
Additional Property	>1 (vs air)
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.583
Additional Property	DECOMPOSES

GHS Safety & Compliance

Corrosion / Acute ToxicitySignal word: Danger

H310
H314 — Causes severe skin burns and eye damage

Customs & Trade Information

HS Code	29310095

Frequently Asked Questions

What is the CAS number of Dichlorodiphenylsilane?

The CAS number of Dichlorodiphenylsilane is 80-10-4.

What are the molecular formula and molecular weight of Dichlorodiphenylsilane?

Dichlorodiphenylsilane has molecular formula C12H10Cl2Si and molecular weight 253.199 g/mol.

Is Dichlorodiphenylsilane hazardous?

Dichlorodiphenylsilane has GHS signal word Danger and hazard statements H310; H314 — Causes severe skin burns and eye damage.

What are the upstream and downstream products of Dichlorodiphenylsilane?

For Dichlorodiphenylsilane, Upstream Products: Phenyltrichlorosilane, Chlorobenzene, Diphenylsilane; Downstream Products: Octaphenylcyclotetrasilane, tetrakis(trimethylsilyl)silane, Dichlorodiethylsilane.

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. "Dichlorodiphenylsilane (CAS 80-10-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40994-9 (accessed 2026-11-09).

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