phosphorus oxoanion dithiophosphate(2-) 127.916 128.11100 A phosphorus oxoanion obtained by selective deprotonation of the SH goup and one of the OH groups of dithiophosphoric acid. CHEBI:74591 HO2PS2 InChI=1S/H3O2PS2/c1-3(2,4)5/h(H3,1,2,4,5)/p-2 MetaCyc:CPD-3735 NAGJZTKCGNOGPW-UHFFFAOYSA-L OP([O-])([S-])=S chebi_ontology dithiophosphate hydrogen phosphorodithioate phosphorodithioate O,O,S(2-) divalent inorganic anion