... reducing agent, mordant, bleach, disinfectants, water purifying agents.CharactersSodium thiosulfate, also known as thiosulfate, which ... agent, nitrogen exhaust neutralizer, mordant, straw and hair bleach, and dechlorination of pulp bleaching agent. Also ... agent, the pharmaceutical industry as detergents, disinfectants and bleaching agents. analytical item StandardQuality IndicatorsNa2S2O398% min98.3% ...