Used in preparation of anhydrous acetic acid in nonaqueous titrimetry.CAS Number:108-24-7Synonyms:Ethanoic anhydrideMolecular Formula:C4H6O3Molecular Weight:102.09Appearance:Colorless liquidPurity:≥97% (GC)Solubility:Gradually dissolves with formation of acetic acid.Boiling Point:~139°CDensity:1.08Heavy Metals:≤0.0002 (as Pb)Chloride (Cl-):≤0.0005%Phosphate (PO43-):≤ 0.001%Sulfate (SO42-):≤0.0005%Iron (Fe):≤0.0005%Storage:Store at RTSubstances reducing permanganate:To pass testResidue after evaporation:≤0.003%Warnings Corrosive!Meets or exceeds ACS specifications.