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Tetrakis(hydroxymethyl)phosphonium sulfate



Synonyms: THPS; Octakis(hydroxymethyl)diphosphonium sulfate
Molecular Formula:C8H24O12P2S
Molecular Weight: 406.28
CAS Number: 55566-30-8
EINECS Number: 259-709-0



Melting point: -35 ºC
Boiling point: 111 ºC
Solubility: Soluble in water


Appearance: Colorless to pale yellow clear liquid
Purity: 75.0-77.0%


Storage and Packing

Packing: 250kgs net in plastic drum or 1250kgs net in IBC drum.



THPS is used as a flame retardant in textiles. THPS also acts as a biocide against SRB (sulfate reducing bacteria known as Desulfuvibrio Desulfuricans) in water system.

Safety Infromation