White acicular crystals, slightly irritating; slightly soluble in water, soluble in ethanol, ether, alkali solution; used in the synthesis of dyes, pigments, pharmaceutical intermediates, especially suitable for the preparation of naphthalene series dyes. Hazard Class: General chemicals; skin irritation
Chinese alias：1,7-二羟基萘 （1,7-萘酚）
English alias：1,7-Dihydroxynaphthalene；Naphthalene-1,7-diol
Naphthalene series dye/pigment intermediate; used in the synthesis of dyes (such as azo dyes, anthraquinone dyes), pigments (such as yellow pigments), pharmaceutical intermediates, suitable for fiber dyeing and coating coloring, improve product color saturation
| No. | Test Item | Specification |
| 1 | Purity | ≥99.0% |
| 2 | Melting Point | 179–182°C |
| 3 | Water Content | ≤0.5% |
| 4 | Impurity Control | ≤1.0% |
| 5 | Appearance | Gray to brown powder |
Address: Block B, Interstellar Center, Yuhua District, Shijiazhuang City, Hebei Province
