Skip to main content

Chlorodifluoroacetic anhydride

Also known as: (2-chloro-2,2-difluoroacetyl) 2-chloro-2,2-difluoroacetate, 2-Chloro-2,2-difluoroacetic anhydride, 2-chloro-2,2-difluoroacetic anhydride, 2-chloro-2,2-difluoroacetyl 2-chloro-2,2-difluoroacetate, Acetic acid, 2-chloro-2,2-difluoro-, 1,1'-anhydride, Acetic acid, chlorodifluoro-, anhydride, Bis(chlorodifluoroacetic) anhydride, Chlorodifluoroacetic anhydride, 98+%, Chlorodifluoroacetic anhydride, min. 97%, Chloro(difluoro)acetic anhydride, difluorochloroacetic anhydride

Chlorodifluoroacetic anhydride (CAS 2834-23-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4Cl2F4O3 and a molecular weight of 242.941 g/mol. Key properties include a boiling point of 92.5±0.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 25.9±15.1 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H312 — Harmful in contact with skin and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2834-23-3
Jingsj CID
J-6986-3
Molecular Formula
C4Cl2F4O3
Molecular Weight
242.941 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point92.5±0.0 °C at 760 mmHg
Density1.7±0.1 g/cm3
Flash Point25.9±15.1 °C
Exact Mass241.916061
PSA43.37000
LogP2.98
Vapor Pressure51.5±0.1 mmHg at 25°C
Refractive Index1.384

GHS Safety & Compliance

Corrosion / Acute ToxicitySignal word: Danger
  • H301 — Toxic if swallowed
  • H312 — Harmful in contact with skin
  • H314 — Causes severe skin burns and eye damage

Customs & Trade Information

HS Code2915900090
Summary2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Chlorodifluoroacetic anhydride?

The CAS number of Chlorodifluoroacetic anhydride is 2834-23-3.

What are the molecular formula and molecular weight of Chlorodifluoroacetic anhydride?

Chlorodifluoroacetic anhydride has molecular formula C4Cl2F4O3 and molecular weight 242.941 g/mol.

Is Chlorodifluoroacetic anhydride hazardous?

Chlorodifluoroacetic anhydride has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H312 — Harmful in contact with skin; H314 — Causes severe skin burns and eye damage.

What are the upstream and downstream products of Chlorodifluoroacetic anhydride?

For Chlorodifluoroacetic anhydride, Upstream Products: Chlorodifluoroacetic acid; Downstream Products: 1,1,1,2,2,3,3-Heptafluoro-3-[[1,1,1,2,3,3-hexafluoro-3-(1,2,2,2-tetrafluoroethoxy)propan-2-yl]oxy]propane, 2-(Perfluoropropoxy)perfluoropropyl trifluorovinyl ether, 3-(Chlorodifluoroacetyl)imidazo[1,2-a]pyridine.

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

Last updated:

How to cite: Jingsj. "Chlorodifluoroacetic anhydride (CAS 2834-23-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6986-3 (accessed 2026-11-09).

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