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          NAPHTHOL AS-D

          Alias:

          --

          Product name:

          NAPHTHOL AS-D
          CAS RN: 135-61-5

          Index No.:

          C.I.Azoic Coupling Component 18 (37520)

          Molecular formula:

          C18H15NO2

          Structural formula:

          Molecular weight:

          277.31

          Appearance:

          Ecru powder

          Assay:

          ≥99%

          Color light:

          Near to standard substance

          Intensity, molecule:

          100±5 of standard substance

          Melting point(dry product):

          194°C

          2.3 acid content:

          ≤0.08%

          Unsoluble substance content in basic liquor:

          ≤0.14%

          Insoluble residues in HCL :

          --
          Use: Intermediates of organic pigments
            
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