but-1-ene- ethene(1:1) is a chemical compound registered under CAS number 9040-66-8, with the molecular formula C6H12 and a molecular weight of about 84.16 g/mol. ReagentForLab supplies but-1-ene- ethene(1:1) for laboratory research and bulk production; product code 1464785. Send an inquiry for purity, packaging, price and lead time.