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    Naphthol AS-BS
    CAS NO. :135-65-9
    Molecular Formula:C17H12N2O4
    Appearance: light yellow powder
    Strength: 100%
    Content: 98.0% Min
    Insoluble: 0.4% Max
    Moisture:
    Melting point: 242℃MIin
     
     
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