Dibutyl hydrogen phosphite is a chemical compound registered under CAS number 109-47-7, with the molecular formula C8H19O3P and a molecular weight of about 194.2 g/mol. It is also known as Phosphorus acid, dibutyl ester; Phosphorous acid, dibutyl ester. TwoChem supplies Dibutyl hydrogen phosphite for laboratory research and bulk production; product code 1184748. Send an inquiry for purity, packaging, price and lead time.