Classification Chemical Auxiliary Agent CAS No. 141-32-2 Other Names 2-Propenoic acid, n-butyl ester MF C7H12O2 EINECS No. 205-480-7 Purity 99.5% Place of Origin Tianjin, China (Mainland) Type Other Usage Paper Chemicals, Petroleum Additives, Textile Auxiliary Agents appearance colourless liquid