Synonyms: Acetic acid, trifluoro-, anhydride; bis(Trifluoroacetic) anhydride; Hexafluoroacetic anhydride; Perfluoroacetic anhydride; Trifluoroacetic acid anhydride; Trifluoroacetyl anhydride

OSHA IMIS Code Number: R233

Chemical Abstracts Service (CAS) Registry Number: 407-25-0

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: AJ9800000

Chemical Description and Physical Properties:

clear colorless hygroscopic liquid with a sharp, biting vinegar-like odor
molecular weight: 210.03
molecular formula: C₄F₆O₃
boiling point: 39-40°C
melting point: -65°C

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