General Information : Product Code IA0006 Product Name Sodium iodide-BP, 99.5-100.5% Synonyms Sodium iodide, Sodium iodide (NaI), Sodium monoiodide, Sodiumiodide CAS No. 7681-82-5 ECS No. 231-679-3 HSN Code 28276020 Chemical Formula NaI Molecular Weight 149.894 Structure Product Category API (Antithyroid) Chemical Properties : Appearance White or almost white, crystalline powder or colourless crystals, hygroscopic. Loss on drying Not more than 3.0% Solubility Very soluble in water, freely soluble in ethanol (96 %). Assay Between 99.5-100.5% Iodate No blue color develops Sulfates NMT 150 ppm Thiosulfates A blue color is produced Iron NMT 20 ppm Heavy metals Not More Than 20 ppm