... crystalline powderAssay(%)≥99.0Melting point 30-32°CApplicationan important intermediate for the synthesis of pharmaceutical intermediates,brightening agents,surfactants and ... , BY-1, PAE-9, Polyether-8, Water-soluble M, H1, P-6000, PNP, UPS, DPS, ZPS, MPS, ... Fine Chemicals1,3- ... PS, EDTP, Q75, Propargyl Chloride, Basic Chromic Sulfate, Chromiun Nitrate.... hot sell for 1,3- PS cas no. 1120-71-4.