Acrylic acid

Acrylic acid or 2-propenoic acid is a chemical compound with the formula C₃H₄O₂ and structure

  H   H
  C = C - C = O
  H       OH                          

(which is sometimes abbreviated as CH₂=CHCOOH). It is a carboxylic acid, a colorless liquid with an acrid odor. Acrylic acid and its esters, the acrylates, are used in the manufacture of various plastics and occur in floor polishs and paints. Acrylic acid is produced from propylene, a gas that is a byproduct of oil refineries.

The CAS number of acrylic acid is 79-10-7.