1,1-dichlorosilacyclobutane

Q: What are the molecular formula and molecular weight of 1,1-dichlorosilacyclobutane?

C3H6Cl2Si, molecular weight 141.07100 g/mol

1,1-二氯硅基环丁烷

Also known as: cyclotrimethylene dichlorosilane, 1,1-dichloro-1-silacyclobutane, 1,1-dichlorosiletane, dichlorosilacyclobutane, dichlorsilacyclobutane

CAS No.: 2351-33-9
Jingsj CID: J-1990855-7
Molecular Formula: C₃H₆Cl₂Si
Chinese Name: 1,1-二氯硅基环丁烷
Molecular Weight: 141.07100 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	<0ºC
Boiling Point	113-115ºC(lit.)
Density	1.19g/cm3
Flash Point	21ºC

GHS Safety & Compliance

Flammable / CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of 1,1-dichlorosilacyclobutane?

2351-33-9

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

C3H6Cl2Si, molecular weight 141.07100 g/mol

Is 1,1-dichlorosilacyclobutane hazardous?

Danger

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026