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Difluoroacetic anhydride

BGC Id:211114033412
CAS No:401-67-2
Synonyms: difluoroacetic anhydride ; molport-001-773-680 ; ac1mcnuw ; akos005169317 ; cid2774048 ; 2,2-difluoro-acetic acid 1,1'-anhydride ; aceticacid, difluoro-, anhydride (6ci,7ci,8ci,9ci) ; sbb051386 ; 2,2-difluoroacetyl 2,2-difluoroacetate ; 2,2-difluoroacetic anhydride ; difluoroacetic anhydride 97% ; 1,1,5,5-tetrafluoro-3-oxapentan-2,4-dione ; difluoroacetic acid anhydride ; acetic acid,2,2-difluoro-, 1,1'-anhydride
Molecular Formula:C4H2F4O3
Molecular Weight:174.05
EINECS:
Structural Formula

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Molecular Formula: C4H2F4O3 Molecular Weight: 174.05 Hazard Symbols: C UN Number: 3265 PackingGroup: II HS Code: 29189900

The last intensive check and update was carried out on 2025/10/30.

Identify

Synonyms:
difluoroacetic anhydride ; molport-001-773-680 ; ac1mcnuw ; akos005169317 ; cid2774048 ; 2,2-difluoro-acetic acid 1,1'-anhydride ; aceticacid, difluoro-, anhydride (6ci,7ci,8ci,9ci) ; sbb051386 ; 2,2-difluoroacetyl 2,2-difluoroacetate ; 2,2-difluoroacetic anhydride ; difluoroacetic anhydride 97% ; 1,1,5,5-tetrafluoro-3-oxapentan-2,4-dione ; difluoroacetic acid anhydride ; acetic acid,2,2-difluoro-, 1,1'-anhydride
CAS:
401-67-2
EINECS:
Molecular Formula:
C4H2F4O3
MDL:
MFCD02093315
SMILES:
B1(OC(C(O1)(C)C)(C)C)C2=CC(=C(C=C2)NC(=O)NCC)OC

Properties

Molecular Weight:
174.05 g·mol−1
Density:
1.478 g/cm3
Melting point:
-115.13 °C (Predicted)
Boiling point:
93.6 °C at 760 mmHg
Flash point:
11.3 °C
Physical Description:
light yellow liquid

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Safety Information

Hazard Classes:
corrosive
Hazardous Substances Data:
Non-Regulated Material ¹





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