Page 143 - Chemical and process design handbook
P. 143

Speight_Part II_B  11/7/01  3:11 PM  Page 2.84









                                BENZYL ACETATE












                  Benzyl acetate (C H CH OCOCH ) is a widely used ester because of its
                                  6  5  2       3
                  floral odor.
                    It is prepared by esterification of benzyl alcohol, by heating with either
                  an excess of acetic anhydride or acetic acid with mineral acids.

                            C H CH OH + CH CO H  → C H CH OCOCH
                              6  5  2        3   2       6  5  2        3
                  The product is purified by treatment with boric acid and distilled to a purity
                  in excess of 98%.








































                                                 2.84
   138   139   140   141   142   143   144   145   146   147   148