TETRACONTAMETHYLNONADECASILOXANE is a chemical compound registered under CAS number 150026-99-6, with the molecular formula C40H120 O18 Si19 and a molecular weight of about 1422.9 g/mol. It is also known as TETRACONTAMETHYLCYCLOEICOSASILOXANE. FireTardant supplies TETRACONTAMETHYLNONADECASILOXANE for laboratory research and bulk production; product code 727665. Send an inquiry for purity, packaging, price and lead time.