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DEMAP ALDEHYDE is a professional dye intermediate with high chemical activity and stable molecular structure. It is mainly used in the synthetic production of reactive dyes, acid dyes and functional colorants, and serves as an important aldehyde-based modifier in dye molecular modification. It can participate in condensation and coupling reactions to adjust the color fastness, tinting strength and solubility of dye products, and is widely applied in the fine chemical synthesis and textile dyeing auxiliary industry, meeting the high-purity raw material requirements of industrial dye production.