... acid, synthetic rubber.Mainly used for preparation of acetic acid, acetic anhydride, butyraldehyde, octanol,pentaerythritol, paraldehyde and other important chemical raw material ... Specifications acetaldehyde in chemicalItemStandardColor(APHA)10maxAcetaldehyde,%99.0minAcidity(by CH3COOH),%0.05maxVaporites deposits,w/% 0.0025maxPropionaldehyde, %0.50maxParaldehyde, %0.20max . acetaldehyde in chemical