Detailed Introduction：

  product: acetic anhydride
  purity:99.9% 
  cas:108-24-7
  payment term: T/T or L/C
  leadtime: 7days

  Name: acetic anhydride
  Synonyms:  acetic acid Ac2O
  Molecular formula: C4H6O3
  Appearance : colorless transparent liquid, there is a pungent odor (similar to acetic acid)
  Molecular weight: 102.09
  Flash point: 49 degrees
  Melting point: -73.1
  Boiling point: 138.6
  Water solubility: gradually soluble in water (into acetic acid)
  Density: relative density (water =1) 1.08; relative density (air =1) 3.52
  Refractive index: 1.450
  Main use: used as acetylation reagent, and used in the manufacture of drugs, dyes, cellulose acetate, the initiator, bleach and so on.