... is mainly used for preparation of acetic acid,acetic anhydride,butyraldehyde,octanol,etc.. Name: 1.English name:Acetaldehyde 2.CAS No ... acetaldehyde is mainly used for preparation of aceticacid,acetic anhydride,butyraldehyde,octanol,pentaerythritol,paraldehyde and other important chemical raw material. Acetaldehyde ...