Thiophosphoric acid is a chemical compound. Structurally, it is the acid derived from phosphoric acid with one extra sulfur atom, although it cannot be prepared from phosphoric acid. It is a colorless compound that is rarely isolated in pure form, but rather as a solution. The structure of the compound has not been reported, but two tautomers are reasonable: SP(OH)3 and OP(OH)2SH.

CAS：13598-51-1
中文别名：
英文别名：monothioorthophosphoric acid;Thiophosphoric acid;Monothioorthophosphorsaeure;Phosphorothionic acid;phosphorothioic O,O,O-acid;trihydroxy(sulfanylidene);Phosphorothioic acid;Monothiophosphoric acid;trihydroxy(sulfanylidene)-λ⁵-phosphane;trihydroxidosulfidophosphorus;
分子式：H3O3PS
分子量：114.061
精确质量：113.954
Psa：102.59
Logp：-0.1616

UNII：TYM4M7EWCW

密度：2.149g/cm3