1,1-dichlorosilacyclobutane
Also known as: cyclotrimethylene dichlorosilane, 1,1-dichloro-1-silacyclobutane, 1,1-dichlorosiletane, dichlorosilacyclobutane, dichlorsilacyclobutane
1,1-dichlorosilacyclobutane (CAS 2351-33-9) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C3H6Cl2Si and a molecular weight of 141.07100 g/mol. Key properties include a melting point of <0ºC, a boiling point of 113-115ºC(lit.), a density of 1.19g/cm3 and a flash point of 21ºC. 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 Nov 3, 2026.
- CAS No.
- 2351-33-9
- Jingsj CID
- J-1990855-5
- Molecular Formula
- C3H6Cl2Si
- Molecular Weight
- 141.07100 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | <0ºC |
|---|---|
| Boiling Point | 113-115ºC(lit.) |
| Density | 1.19g/cm3 |
| Flash Point | 21ºC |
| Exact Mass | 139.96200 |
| LogP | 2.30990 |
| Vapor Pressure | 15.8mmHg at 25°C |
| Refractive Index | n20/D 1.464(lit.) |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H260
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 2903199000 |
|---|---|
| Summary | 2903199000 other saturated chlorinated derivatives of acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 1,1-dichlorosilacyclobutane?
The CAS number of 1,1-dichlorosilacyclobutane is 2351-33-9.
What are the molecular formula and molecular weight of 1,1-dichlorosilacyclobutane?
1,1-dichlorosilacyclobutane has molecular formula C3H6Cl2Si and molecular weight 141.07100 g/mol.
Is 1,1-dichlorosilacyclobutane hazardous?
1,1-dichlorosilacyclobutane has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H260; H314 — Causes severe skin burns and eye damage.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,1-dichlorosilacyclobutane (CAS 2351-33-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990855-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.