Sodium thiophosphate hydrate (Na3PO3S•xH2O)-Crystalline introduce:
Sodium monothiophosphate, or sodium phosphorothioate, is a inorganic compound with the molecular formula Na3PO3S(H2O)x. All are white solids. The anhydrous material (x = 0) decomposes without melting at 120-125 °C.
Molar mass:198.015 g/mol
Appearance: White solid
Density :1.58 g/cm3 (dodecahydrate), 2.40 g/cm3 for anhydrous
Melting point :53-58 °C
Solubility in water:soluble
Sodium thiophosphate hydrate is used in thiosulfate-assisted synthesis of a variety of diamine-CuCN complexes. In analytical chemistry, it is used as a titrant in iodometry. It finds application as an anionic surfactant in pharmaceutical preparations to assist in dispersion and an antidote to cyanide poisoning. It is utilized for the dechlorination of tap water as well as to maintain the chlorine levels in swimming pools and aquaria. It plays an important role in gold extraction. It is also used in the alkylation reaction to prepare Bunte salts viz. S-alkylthiosulfonates, which finds application in the synthesis of thioglycolic acid.
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