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HS Code |
506779 |
| Chemical Name | N-(4-Hydroxyphenyl)-2-naphthamide |
| Cas Number | 92-77-3 |
| Molecular Formula | C16H13NO2 |
| Molecular Weight | 251.28 |
| Appearance | Off-white to light yellow powder |
| Melting Point | 226-230°C |
| Solubility | Insoluble in water, soluble in alcohol and acetone |
| Usage | Azo dye coupling component |
| Synonyms | Naphthol AS-PH, Naphthol AS Phenyl, 2-Hydroxy-3-naphthoic acid anilide |
| Storage Conditions | Store in a cool, dry, well-ventilated area |
As an accredited Naphthol AS-PH factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Naphthol AS-PH is packaged in a 500g sealed, amber glass bottle with a labeled screw cap for protection against light and moisture. |
| Shipping | Shipping of Naphthol AS-PH must comply with relevant chemical transport regulations. It should be securely packaged in tightly sealed containers, properly labeled with hazard warnings. Keep away from incompatible materials, heat, and moisture. Protect from physical damage during transit. Shipping documentation must include safety data and comply with local and international regulations. |
| Storage | Naphthol AS-PH should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from sources of ignition, heat, and incompatible substances such as strong oxidizers. Protect it from moisture and direct sunlight. Proper labeling and secondary containment are recommended to prevent spillage. Always follow local regulations and safety guidelines when storing chemicals. |
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Purity 98%: Naphthol AS-PH with purity 98% is used in textile dyeing processes, where it ensures uniform shade development and high color yield. Particle size <10 μm: Naphthol AS-PH with particle size less than 10 μm is used in pigment dispersion formulations, where it enhances consistency and stability of the finished paste. Melting point 220°C: Naphthol AS-PH with a melting point of 220°C is used in high-temperature printing inks, where it provides improved thermal resistance and color fastness. Stability temperature 180°C: Naphthol AS-PH with a stability temperature of 180°C is used in thermoset polymer coloring, where it maintains chromatic integrity during curing. Water solubility <0.1%: Naphthol AS-PH with water solubility below 0.1% is used in hydrophobic coating formulations, where it improves water resistance and durability of the coating film. Viscosity grade low: Naphthol AS-PH of low viscosity grade is used in liquid dye solutions, where it enables better penetration and even distribution on cellulose fibers. Molecular weight 287 g/mol: Naphthol AS-PH with molecular weight 287 g/mol is used in custom organic synthesis, where it offers consistency in azo coupling reactions. |
Competitive Naphthol AS-PH prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615651039172 or mail to sales9@bouling-chem.com.
We will respond to you as soon as possible.
Tel: +8615651039172
Email: sales9@bouling-chem.com
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