Chemical name:Tetrakis(hydroxymethyl)phosphonium sulfate CAS No.: 55566-30-8 Molecular formula:[(CH2OH)4P]2SO4 Molecular weight:406.28 Appearance:Clear to yellow liquid Concentration:75% Min Active phosphorous:11.0% MIN pH value:3-5 Viscosity at 20DEG C:30-40CP(mPa.s) Solubility:Soluble in water Specific gravity:1.3-1.4g/ml Application:THPS is an environmentally friendly biocide applied in industrial cooling systems, oil field operations, and papermaking industry. THPS can degrade to a nontoxic substance immediately after use. THPS is also applied as flame retardant in cotton, dacron-cotton fibers. Package:25kg and 200 kg impervious plastic containers, or subject to requirement.