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Trifluoroacetic anhydride

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Trifluoroacetic anhydride Basic information
Trifluoroacetic anhydride Chemical Properties
  • Melting point:-65 °C (lit.)
  • Boiling point:39.5-40 °C (lit.)
  • Density 1.511 g/mL at 20 °C (lit.)
  • vapor pressure 6.28 psi ( 20 °C)
  • refractive index n20/D 1.3(lit.)
  • Flash point:-26 °C
  • storage temp. 2-8°C
  • solubility Miscible with benzene, dichloromethane, diethyl ether, dimethylformamide, terahydrofuran and acetonitrile.
  • form Liquid
  • Specific Gravity1.487
  • color Clear
  • Water Solubility Hydrolysis
  • Sensitive Moisture Sensitive
  • BRN 746197
  • Stability:Stable, but moisture sensitive. Reacts with water to liberate hydrogen (flammable!). Incompatible with water, strong oxidizing agents.
  • CAS DataBase Reference407-25-0(CAS DataBase Reference)
  • NIST Chemistry ReferenceAcetic acid, trifluoro-, anhydride(407-25-0)
  • EPA Substance Registry SystemAcetic acid, trifluoro-, anhydride (407-25-0)
Safety Information
  • Hazard Codes C,T
  • Risk Statements 14-20-35-52/53-34-23/24/25
  • Safety Statements 26-36/37/39-43-45-61-9-8-28A-27
  • RIDADR UN 3265 8/PG 1
  • WGK Germany 2
  • RTECS AJ9800000
  • 3-10
  • Hazard Note Corrosive/Moisture Sensitive
  • TSCA T
  • HazardClass 8
  • PackingGroup I
  • HS Code 29159080
  • Toxicityskn-rbt 500 mg/24H SEV 28ZPAK -,91,72
MSDS
Trifluoroacetic anhydride Usage And Synthesis
  • Chemical PropertiesClear, colorless liquid
  • UsesUsed as analytical reagents, solvents, catalysts, dehydration condensing agent, protection agent of trifluoroacetylation of carboxyl and amino; used as Intermediate of fluorine fine chemicals, pharmaceutical, agrochemical.
  • Safety ProfileA severe skin and eye irritant.Explosive reaction with dimethyl sulfoxide; nitric acid +1,3,5-triazine (at 36°C); nitric acid + 1,3,5-triacetylhexahydro-1,3,5-triazine (at 30°C). Incompatiblewith lithium tetrahydroaluminate. When heated todecomposit
  • Purification MethodsPurification by distilling over KMnO4, as for the acid above, is EXTREMELY DANGEROUS due to the possiblility of EXPLOSION. It is best purified by distilling from P2O5 slowly, and collecting the fraction boiling at 39.5o. Store it in a dry atmosphere. Highly TOXIC vapour and attacks skin, work in an efficient fume hood. [Beilstein 2 IV 469.]
Trifluoroacetic anhydride Preparation Products And Raw materials
Trifluoroacetic anhydride(407-25-0)Related Product Information
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