i) CAS NO 64-19-7 ii) purity 99.8%,99% and ... in such products as Vinyl acetate, acetic anhydride, diketene, acetate ester, acetate, acetate fiber and chloroactic acid etc. IndexSpecificationBest-gradeFirst-gradeQualifiedAppearanceClear liquid ... impuritiesChromaticity(in Hazen)(Pt-Co) ≤102030Acetic acid content,% ≥99.899.098.0Moisture,% ≤0.15--Formic acid content,% ≤0.060.150.35Aldehyde content ...