Chlorodifluoroacetic anhydride

Modify Date: 2025-08-21 06:01:10

Chlorodifluoroacetic anhydride Structure
Chlorodifluoroacetic anhydride structure
Common Name Chlorodifluoroacetic anhydride
CAS Number 2834-23-3 Molecular Weight 242.941
Density 1.7±0.1 g/cm3 Boiling Point 92.5±0.0 °C at 760 mmHg
Molecular Formula C4Cl2F4O3 Melting Point N/A
MSDS Chinese USA Flash Point 25.9±15.1 °C
Symbol GHS05 GHS06
GHS05, GHS06
Signal Word Danger

 Names

Name (2-chloro-2,2-difluoroacetyl) 2-chloro-2,2-difluoroacetate
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.7±0.1 g/cm3
Boiling Point 92.5±0.0 °C at 760 mmHg
Molecular Formula C4Cl2F4O3
Molecular Weight 242.941
Flash Point 25.9±15.1 °C
Exact Mass 241.916061
PSA 43.37000
LogP 2.98
Vapour Pressure 51.5±0.1 mmHg at 25°C
Index of Refraction 1.384

 Safety Information

Symbol GHS05 GHS06
GHS05, GHS06
Signal Word Danger
Hazard Statements H301-H312-H314
Precautionary Statements P280-P301 + P310-P305 + P351 + P338-P310
Personal Protective Equipment Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes C
Risk Phrases R23/24/25
Safety Phrases S26-S36/37/39-S45
RIDADR 3265
Packaging Group II
Hazard Class 8
HS Code 2915900090

 Synthetic Route

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Chlorodifluoroacetic anhydride Structure

Chlorodifluoroa...

CAS#:2834-23-3

Literature: Yagupol'skii,L.M.; Korin'ko,V.A. J. Gen. Chem. USSR (Engl. Transl.), 1967 , vol. 37, p. 1717 - 1722,1637 - 1640

 Customs

HS Code 2915900090
Summary 2915900090 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%

 Articles3

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Spectrochim. Acta. Part B At. Spectrosc. 40(1) , 335-47, (1985)

Photochemistry of anhydrides. Part 6.-Photolysis of chlorodifluoroacetic anhydride,(CF 2 ClCO) 2 O. Watkins PE and Whittle E.

J. Chem. Soc., Faraday 80(8) , 2323-2329, (1984)

 Synonyms

Chloro(difluoro)acetic anhydride
chlorodifluoroacetic anyhydride
2-Chloro-2,2-difluoroacetic anhydride
2-chloro-2,2-difluoroacetyl 2-chloro-2,2-difluoroacetate
MFCD00000774
GXFFVOVXGFF
EINECS 220-603-4
Acetic acid,chlorodifluoro-,anhydride
difluorochloroacetic anhydride
Chlorodifluoroacetic anhydride
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