Composition: Thiosulfuric acid (H2S2O3), dipotassium salt 75%, Potassium sulfide (K2(S3)) 25% Density: 1.8 Molecular Weight: 110.26 g/mol Color: Yellow-brown to olive green to gray solid Physical State: Solid Solubility Information: Soluble Shelf Life: 120 Months Storage: Ambient …