2-Hydroxypropyl methanethiosulphonate, S-(2-Hydroxypropyl)-thiomethanesulfonate, Methanesulfonothioic acid, S-(2-hydroxypropyl) ester, HPTMS, 2-Hydroxypropyl methanethiosulfonate, BUSAN 74, S-Methyl O-propylthiosulfate, Thiosulfuric acid,S-methyl O-propyl ester, Caswell No. 495A, EINECS 250-170-7