A liquefied gas comprised of at least 95% Ethylene (C2H4). Available in polymer grade (>99.9% purity) and chemical grades (>95% purity). Dow is one of the largest global producers of ethylene. Ethylene and its derivatives are fundamental molecules that are used to manufacture items that consumers use every day. While the primary use for ethylene is in the production of polyethylene, it is also an important precursor for numerous other industrial and consumer products. CAS#: 74-85-1