... price; SGS certificate and ISO test sodium thiosulphate anhydrous 98%Factory price selling sodium thiosulfate(HYPO)This product can be ... thiosulfate, also known as thiosulfate, which is monoclinic white crystalline powder, specific gravity 1.667, soluble in water ... agent, sulfur dyeing wool fabric dye, indigo dye anti-white agents, pulp dechlorination agent, the pharmaceutical industry as detergents ...