Sodium Thiophosphate
Structural Formula Vector Image
Title: Sodium Thiophosphate
CAS Registry Number: 10101-88-9
Additional Names: Sodium phosphorothioate; sodium monothiophosphate
Molecular Formula: Na3O3PS
Molecular Weight: 180.01
Percent Composition: Na 38.31%, O 26.66%, P 17.21%, S 17.81%
Line Formula: Na3PO3S
Literature References: Conveniently prepd from NaPO3 + Na2S: Zintl, Bertram, Z. Anorg. Allg. Chem. 245, 16 (1940); from PSCl3 + NaOH: Tridot, Tudo, Bull. Soc. Chim. Fr. 1960, 1231. Several alternate routes, e.g. from P2S5 and NaOH, see Klement in Handbook of Preparative Inorganic Chemistry vol. 1, G. Brauer, Ed. (Academic Press, New York, 2nd ed., 1963) pp 569-570.
Derivative Type: Dodecahydrate
Properties: Thin, six-sided leaflets from water. Effloresces in dry air. mp 60°. Freely sol in warm water. Aq solns are strongly alkaline.
Melting point: mp 60°

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