Model 7772-98-7 -Sodium Thiosulfate Anhydrous Powder

Molecular Weight - 158.11. Bulk Density - 94 lb / ft3. Appearance - white powder. Product Sizing - Cumulative on US NO: Pass through a Mesh #14 - 97% Min. Retain on a Mesh #100 -100% Max Assay. Sodium Sulfite - 0.2 % Maximum. Iron (Fe) - 50 ppm Maximum (0.0005%). Heavy Metals (pb) - 20 ppm Maximum (0.0002%)