... 1. High quality good service 2. Free samples 3. Pass through ISO 9001:2000 4.Physical State: Liquid Specification: IndexSpecificationGB/ ... impuritiesChromaticity(in Hazen)(Pt-Co),≤10Acetic acid content,%≥99.0-99.5Moisture,%≤0.15Formic acid content,%≤0.06Aldehyde content, %≤0. ... acetic anhydride, diketen, acetate, ethyl cellulose and chloro acetic acid. It can also be used in the field of synthetic ...