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4-Chloro-1,3-dioxolan-2-one

Also known as: Chloroethylene carbonate, 4-Chloro-1,3-dioxolane-2-one, 4-Chloro-2-oxo-1,3-dioxolane, 1,3-Dioxolan-2-one, 4-chloro-, Cyclic chloroethylene carbonate, Chloroethyleneglycol carbonate

4-Chloro-1,3-dioxolan-2-one (CAS 3967-54-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H3ClO3 and a molecular weight of 122.507 g/mol. Key properties include a boiling point of 237.3±0.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 148.3±19.4 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3967-54-2
Jingsj CID
J-16893-4
Molecular Formula
C3H3ClO3
Molecular Weight
122.507 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point237.3±0.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point148.3±19.4 °C
Exact Mass121.977074
PSA35.53000
LogP-0.73
Vapor Pressure0.0±0.4 mmHg at 25°C
Refractive Index1.460

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2932999099
Summary2932999099. 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-Chloro-1,3-dioxolan-2-one?

The CAS number of 4-Chloro-1,3-dioxolan-2-one is 3967-54-2.

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

4-Chloro-1,3-dioxolan-2-one has molecular formula C3H3ClO3 and molecular weight 122.507 g/mol.

Is 4-Chloro-1,3-dioxolan-2-one hazardous?

4-Chloro-1,3-dioxolan-2-one has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 4-Chloro-1,3-dioxolan-2-one?

For 4-Chloro-1,3-dioxolan-2-one, Upstream Products: Ethylene carbonate; Downstream Products: Glycolaldehyde, Ethylene carbonate, Vinylene carbonate.

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

Last updated:

How to cite: Jingsj. "4-Chloro-1,3-dioxolan-2-one (CAS 3967-54-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-16893-4 (accessed 2026-11-09).

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