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Alias: | -- |
Product name: | NAPHTHOL AS-PH |
CAS RN： | 92-74-0 |
Index No.: | C.I.Azoic Coupling Component 14 (37558) |
Molecular formula: | C19H17NO3 |
Structural formula: |
|
Molecular weight: | 307.43 |
Appearance: | Beige powder |
Assay: | ≥99% |
Color light: | Near to standard substance |
Intensity, molecule: | 100±3 of standard substance |
Melting point(dry product): | 157°C |
2.3 acid content: | ≤0.09% |
Unsoluble substance content in basic liquor: | ≤0.13% |
Insoluble residues in HCL : | -- |
Use: | Intermediates of organic pigments |
Manufacturing
