Process AccordingtoQ/xysy05-2009,byethanol oxidizationreaction,wegotnaturalacetaldehyde,then got acetaldehyde 40%. Usage usedforthemanufactureofpoly_acetaldehyde,aceticacid,syntheticrubber.Mainlyusedfor preparationofaceticacid,aceticanhydride,butyraldehyde,octanol,pentaerythritol,paraldehydeand otherimportantchemicalrawmaterial.GB2760_2007providesforthetimebeingtoallowtheuseof foodflavors,mainlyusedforpreparationofcitrus,apples,butterandothertypeflavor. Specifications Acetaldehyde40% Item Standard Color(APHA) 10max Acetaldehyde,% 40.0min Acidity(byCH3COOH),% 0.05max Vaporitesdeposits,w/% 0.0025max