4,5-Dichloro-1,3-dioxolan-2-one

Also known as: (±)-trans-4,5-Dichloro-1,3-dioxolan-2-one, trans-4,5-Dichloro-1,3-dioxolan-2-one, 1,2-Dichloroethylene carbonate, Cyclic 1,2-dichloroethylene carbonate, EINECS 223-584-0

4,5-Dichloro-1,3-dioxolan-2-one (CAS 3967-55-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C3H2Cl2O3 and a molecular weight of 156.95200 g/mol. Key properties include a boiling point of 281.7ºC at 760 mmHg, a density of 1.67 g/cm3 and a flash point of 144.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3967-55-3
Jingsj CID: J-1359381-2
Molecular Formula: C₃H₂Cl₂O₃
Molecular Weight: 156.95200 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	281.7ºC at 760 mmHg
Density	1.67 g/cm3
Flash Point	144.6ºC
Exact Mass	155.93800
PSA	35.53000
LogP	1.28300
Refractive Index	1.489
Storage Conditions	2-8°C

Customs & Trade Information

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. 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 4,5-Dichloro-1,3-dioxolan-2-one?

The CAS number of 4,5-Dichloro-1,3-dioxolan-2-one is 3967-55-3.

What are the molecular formula and molecular weight of 4,5-Dichloro-1,3-dioxolan-2-one?

4,5-Dichloro-1,3-dioxolan-2-one has molecular formula C3H2Cl2O3 and molecular weight 156.95200 g/mol.

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. "4,5-Dichloro-1,3-dioxolan-2-one (CAS 3967-55-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1359381-2 (accessed 2026-11-09).

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