CH2O2S is a chemical compound registered under CAS number 10016-32-7, with the molecular formula CH2 O2 S and a molecular weight of about 78.09 g/mol. It is also known as Carbonicacid, thio- (6CI,7CI,8CI); Thiocarbonic acid. FireTardant supplies CH2O2S for laboratory research and bulk production; product code 1320504. Send an inquiry for purity, packaging, price and lead time.