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Naphthol AS-BI |
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5-(2-hydroxy-3-naphthoylamino)benzimidazolone |
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Intermediate for benzimidazolone dyes.
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Assay ¡¡¡Ã 99% (HPLC) Appearance ¡¡yellow or brown-yellow powder Alkali-insoluble matter ¡¡¡Â 0.5% Water ¡¡¡Â 0.3% Melting point 360¡É ¢¦ 365¡É Production capacity 300 tons
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