phosphorodithionous acid is a chemical compound registered under CAS number 25757-41-9, with the molecular formula H3OPS2 and a molecular weight of about 114.13 g/mol. It is also known as Dithiophosphonicacid; Dithiophosphonic acid, dithio-; Phosphonic acid, dithio-. CKSPharm supplies phosphorodithionous acid for laboratory research and bulk production; product code 589666. Send an inquiry for purity, packaging, price and lead time.