... crystalline powderAssay(%)≥99.0Melting point 30-32°CApplicationan important intermediate for the synthesis of pharmaceutical intermediates,brightening agents,surfactants and lithium ... -4, CB-5,CB-6...Acid Copper PlatingSPS, PZ-1,PZ-2, PZ-3, PAC, BY-1, PAE-9, Polyether-8, Water-soluble M ... , Q75, Propargyl Chloride, Basic Chromic Sulfate, Chromiun Nitrate.... hot sell for 1,3- PS cas no. 1120-71-4.