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Description:Tetrakis(Hydroxymethyl)Phosphonium Sulfate THPS 1 Molecular Formula:[(CH2OH)4P]2SO4 2 Molecular weight:406.27 3 Appearance: colorless liquid. 4 Specification: Item Specification Tetrakis(Hydroxymethyl)Phosphonium Sulfate content %>= 75.0 Relative Density(25C) 1.350-1.420 Iron(Fe) % <= 0.002 PH value 2.5-5.5 5 Performance: Colorless to yellowish clear liquid, appearing acid. 6 Uses:is an environmental friendly bactericide with good water solubility, low solidifying point, stable chemical performance, long shelf life, new-type, high-efficiency, wide-spectrum etc. It is an internationally acknowledged flame-retardants for pure cotton and polyester cotton and its flame-retarding effect can remain for a long time. 7 Storage:Hermetically sealed. 8 Packing:N.W.:200kg.