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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
≥ 99% (HPLC)
Appearance
yellow or brown-yellow powder
Alkali-insoluble matter
≤ 0.5%
Water
≤ 0.3%
Melting point
360℃ ～ 365℃
Production capacity
300 tons
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