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          NAPHTHOL AS-PH

          Alias:

          --

          Product name:

          NAPHTHOL AS-PH
          CAS RN: 92-74-0

          Index No.:

          C.I.Azoic Coupling Component 14 (37558)

          Molecular formula:

          C19H17NO3

          Structural formula:

          Molecular weight:

          307.43

          Appearance:

          Beige powder

          Assay:

          ≥99%

          Color light:

          Near to standard substance

          Intensity, molecule:

          100±3 of standard substance

          Melting point(dry product):

          157°C

          2.3 acid content:

          ≤0.09%

          Unsoluble substance content in basic liquor:

          ≤0.13%

          Insoluble residues in HCL :

          --
          Use: Intermediates of organic pigments
            
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