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        1. Dye intermediates , Intermediate and developer

          Professional manufacturer

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          Huiyou Chemical

          CD-4

          Product name N-Ethyl-N-(2-hydroxy-ethyl)-2-methyl-1,4-PPD-sulfate, monohydrate(CD-4)
          Type Photosensitizer
          CAS No. 25646-77-9
          Structural formula
          Molecular formula C11H18N2O·H2SO4·H2O
          Assay ≥99.0%
          Specification Appearance: white or gray powder
          PH: 2.0~2.3(5% aq)
          Melting point: 154~159℃
          Moisture : ≤0.5%
          Heavy metals: ≤0.001%
          Fe: ≤0.001%
          Packing: 25kg carton

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