Butyl acrylate is also called 2-methacrylate and butyl acrylate, a colorless liquid with molecular formula C7H12O2. The chemical class is allyl compound. Almost insoluble in water, the toxicity is similar to methyl methacrylate. Irritate skin and eyes. Soluble in ethanol, ether, acetone and other organic solvents. The product was esterified by acid and n-butanol in the presence of sulfuric acid, by neutralizing, washing, decoloring and rectification.