|
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 |
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