COPPER SULPHATE PENTAHYDRATE.AN INORGANIC PURE CHEMICAL. BLUE CRYSTALS CAS NUMBER 7758-99-8, LINEAR FORMULA CUSO4 · 5H2O MOLECULAR WEIGHT 249.69 EC NUMBER 231-847-6

CLASSIFICATION HAS BEEN DETERMINED IN ACCORDANCE WITH THE FOLLOWING:- GENERAL INTERPRETATIVE RULES (GIR)S GIR 1 HAS BEEN USED TO CLASSIFY THIS PRODUCT BY THE TERMS OF HEADING 2833 SULPHATES GIR 6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING LEVEL 283325 - OF COPPER CN CODE: 28332500 FOR OTHER SULPHATES OF COPPER. ALSO CLASSIFIED IN ACCORDANCE WITH SECTION V1 HS EXPLANATORY NOTE 2833 (6) HS EXPLANATORY NOTE 2833 (6)