Gaa Purity 99.8% Analytical Reagent CAS: 64-19-7 pH Regular Glacial Acetic Acid US$450.00-550.00 / Ton Purity 99.99% Pharmaceutical Intermediate CAS: 75-09-2 Metal Degreaser Mc Methylene Chloride US$410.00-450.00 / Ton Clear Liquid Chemical Purity 99.95% Organic Solvent ...