DAA (diacetone alcohol) 二丙酮醇 DAA (diacetone alcohol) is made from aldol condensation reaction of acetone. DAA is a good solvent used in painting, can coating, optical discs and IT related products manufacturing. DAA is also a common synthetic intermediate used for the preparation of other chemical compounds. In addition, DAA can serves as a solvent extractant in purification processes for resins and waxes. To support Taiwan IT products industry, TASCO provides high purity grade of DAA product. In order to develop and maintain our DAA market in Europe, TASCO had REACH pre-registration certificate of DAA product.