1,1-Dichloro-1-silacyclopentane

Also known as: Silacyclopentane, 1,1-dichloro-, Cyclotetramethylenedichlorosilane, 1,1-Dichlorosilolane, 1,1-Dichlorosilacyclopentane, 1,1-dichloro-silacyclopentane

1,1-Dichloro-1-silacyclopentane (CAS 2406-33-9) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H8Cl2Si and a molecular weight of 155.09800 g/mol. Key properties include a melting point of <0ºC, a boiling point of 142ºC, a density of 1.185 and a flash point of 25ºC. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.: 2406-33-9
Jingsj CID: J-1028988-0
Molecular Formula: C₄H₈Cl₂Si
Molecular Weight: 155.09800 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 11/3/2026

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Physicochemical Properties

Melting Point	<0ºC
Boiling Point	142ºC
Density	1.185
Flash Point	25ºC
Exact Mass	153.97700
LogP	2.70000
Vapor Pressure	5.29mmHg at 25°C
Refractive Index	1.463
Storage Conditions	2-8℃

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 1,1-Dichloro-1-silacyclopentane?

The CAS number of 1,1-Dichloro-1-silacyclopentane is 2406-33-9.

What are the molecular formula and molecular weight of 1,1-Dichloro-1-silacyclopentane?

1,1-Dichloro-1-silacyclopentane has molecular formula C4H8Cl2Si and molecular weight 155.09800 g/mol.

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

Last updated: 11/3/2026

How to cite: Jingsj. "1,1-Dichloro-1-silacyclopentane (CAS 2406-33-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1028988-0 (accessed 2026-11-09).

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