... :AppearanceColorless to yellowish liquid or crystalline powderAssay(%)≥99.0Melting point 30-32°CApplicationan important intermediate for the synthesis of pharmaceutical intermediates,brightening ... , ZPS, MPS, ... Fine Chemicals1,3-PS, EDTP, Q75, Propargyl Chloride, Basic Chromic Sulfate, Chromiun Nitrate.... hot sell for 1,3- PS cas no. 1120 ...