2H-1-Benzopyran-2-one, 4-(phenylethynyl)- is a chemical compound registered under CAS number 345948-99-4, with the molecular formula C17H10O2 and a molecular weight of about 246.26 g/mol. FireTardant supplies 2H-1-Benzopyran-2-one, 4-(phenylethynyl)- for laboratory research and bulk production; product code 1647680. Send an inquiry for purity, packaging, price and lead time.