Glacial Acetic Acid 99.5% Tech gradeAppearance: 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 gradeAppearance: Colorless transparent liquidPurity: 99% min Acetaldehyde: 0.05% maxFormic acid: 0.003% maxIron: 0.0002% maxResidue on evaporation: 0.02% max Heavy metals( Pb) : 0.0002% max