Styrene, also known as ethenylbenzene, vinylbenzene, and phenylethene, is an organic compound with the chemical formula C6H5CH=CH2. This derivative of benzene is a colorless oily liquid that evaporates easily and has a sweet smell, although high concentrations have a less pleasant odor
S 2645 (OTTO) Styrene, monomer, 99% Cas 100-42-5 - used in the manufacture of rubbers, plastics, and polymers.