... 1120-71-4. chemical fine chemical ; surfactants and lithium battery 1,3-propane sultone 1,3-PS Pharmaceutical 1,3-propane sultone 1, ... Chemical name1,3-Propane SultoneEmpirical formulaC3H6SO3 Molecular weight122CAS No.1120-71-4Characteristic:AppearanceColorless to yellowish liquid or crystalline powderAssay(%)≥ ... , Basic Chromic Sulfate, Chromiun Nitrate.... hot sell for 1,3- PS cas no. 1120-71-4.