THPC-U(Tetrakis(hydroxymethyl)phosphonium chloride-Urea) 70% M.Formula [(CH2OH)4P]ClCH2N4 CAS No. 27104-30-9 THPC-U Specification Test/Property Specification Appearance Clear or reddish liquid Assay 65.0-70.0 % Relative Density (25 C) 1.305-1.360 Iron (Fe) 10ppm Max pH 5.0 TO 6.0 THPC-U Use Textile, Fiber, Fabric, Leather Fire retardant. Package In 25kg, 250kg plastic drum, or 1000L IBC tote, total 19.6-20mt/20’FCL palletized. Kindly contact us at kaihope at pekchem dot com, thank you.