bis[tetrakis(hydroxymethyl)phosphonium] sulfate solution 【Product Name】:bis[tetrakis(hydroxymethyl)phosphonium] sulfate solution(THPS) 【Alias】:Tetrakis Hydroxymethyl Phosphonium Sulfate(THPS) 【CAS No.】:55566-30-8 【UN Code】:2922 【Molecular Formula】:[(CH2OH)4P]2SO4 　 【Property】:Colorless transparent liquid with slight acidity, it has stable chemical property. Long-term period storage cannot influence its quality. 【Quality Standard】: Main Content:≥ 75 % Viscosity(25℃):28.0-36.0 Relative Density(25℃) 1.350-1.420 Active Phosphate Content:≥ 11 Iron (Fe):≤ 0.0015% PH 3.0-5.0 【Usage】: bis[tetrakis(hydroxymethyl)phosphonium] sulfate solution mainly used in water treatment, fire retardant treatment of textiles, leather softening, paper making and other industries. It is often used in oil field drilling, fishery as germicidal agent. 【Packing】: 250kg PE plastic drum or 1000kg IBC container barrel. 【Storage】: Please keep in dry and ventilated warehouse and should be tightly sealed. Separate with oxide and edible chemical product.