15824-31-4 7783-18-8 AMMONIUM THIOSULFATE Ammo hypo Ammonium hyposulfite Ammonium thiosulfate ((NH4)2S2O3) Ammonium thiosulphate Caswell No. 048A Diammonium thiosulfate EINECS 231-982-0 EPA Pesticide Chemical Code 080103 HSDB 2688 Thio-Sul Thiosulfuric acid (H2S2O3), diammonium salt Thiosulfuric acid, diammonium salt