Tris(methylthio)phosphine is a chemical compound registered under CAS number 816-80-8, with the molecular formula C3H9PS3 and a molecular weight of about 172.27 g/mol. It is also known as Trithiophosphorous acid trimethyl ester. DeWeiChem supplies Tris(methylthio)phosphine for laboratory research and bulk production; product code 1113720. Send an inquiry for purity, packaging, price and lead time.