phosphonium salt II-41 is a chemical compound registered under CAS number 126618-47-1, with the molecular formula C26H22 O P . Cl and a molecular weight of about 416.87 g/mol. It is also known as Phosphonium,[(4-formylphenyl)methyl]triphenyl-, chloride (9CI). TwoChem supplies phosphonium salt II-41 for laboratory research and bulk production; product code 1093354. Send an inquiry for purity, packaging, price and lead time.