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Alias: | 2-hydroxy-3-naphthoic acid anilide |
Product name: | Naphthol AS |
CAS RN： | 92-77-3 |
Index No.: | Azoic Coupling Component 2(37505) |
Molecular formula: | C17H13NO2 |
Structural formula: |
|
Molecular weight: | 263.28 |
Appearance: | Beige powder |
Assay: | ≥99% |
Color light: | Near to standard substance |
Intensity, molecule: | 100±5 of standard substance |
Melting point(dry product): | 247°C |
2.3 acid content: | ≤0.09% |
Unsoluble substance content in basic liquor: | ≤0.15% |
Insoluble residues in HCL : | -- |
Use: | Intermediates of organic pigments |
Manufacturing
