Glacial Acetic Acid Glacial Acetic Acid 99.5% Tech grade Appearance: Colorless transparent liquid Purity: 99.5% min Sp. Gr. (20/4C)g/cm: 31.049-1.056 Freezing Point: 16C Sulfates: 0.0005% max Chloride: 0.0004% max Residue on evaporation: 0.02% max Heavy metals(Pb): 0.0002% max Iron(Fe): 0.0001% max Glacial Acetic Acid 99%Tech grade Appearance: Colorless transparent liquid Purity: 99% min Acetaldehyde: 0.05% max Formic acid: 0.003% max Iron: 0.0002% max Residue on evaporation: 0.02% max Heavy metals(Pb): 0.0002% max trade_tc@hotmail.com trade@lianchengchem.com trade@hblchem.com