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HS Code |
233552 |
| Chemical Name | 3-Hydroxy-N-phenylnaphthalene-2-carboxamide |
| Common Name | Naphthol AS |
| Molecular Formula | C16H11NO2 |
| Molecular Weight | 249.27 g/mol |
| Appearance | Off-white to beige powder |
| Melting Point | 220-222°C |
| Solubility | Insoluble in water, soluble in alcohol and alkali |
| Cas Number | 92-77-3 |
| Use | Coupling component in azo dye synthesis |
| Odor | Odorless |
| Storage Conditions | Store in a cool, dry place in a tightly closed container |
| Stability | Stable under recommended storage conditions |
As an accredited Naphthol AS factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Naphthol AS is typically packaged in 25 kg fiber drums with inner polyethylene liners, labeled with product details and safety information. |
| Shipping | Naphthol AS should be shipped in tightly sealed containers, protected from moisture and sources of ignition. Store and transport in a cool, dry, and well-ventilated area, away from incompatible substances such as oxidizers. Typically classified as non-hazardous for transport, but always follow local regulations and safety data sheet guidelines. |
| Storage | Naphthol AS should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and sources of heat or ignition. Keep the container tightly closed and store it separately from incompatible substances such as strong oxidizers. Ensure that storage areas are clearly labeled and compliant with relevant safety regulations to prevent accidental exposure or contamination. |
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Purity 98%: Naphthol AS with 98% purity is used in textile dyeing processes, where it ensures high color yield and uniform shade development. Melting point 156°C: Naphthol AS with a melting point of 156°C is used in pigment synthesis, where it provides optimal thermal processing stability. Particle size 5 microns: Naphthol AS with a particle size of 5 microns is used in aqueous colorant dispersions, where it enables smooth dispersion and prevents sedimentation. Viscosity grade low: Naphthol AS with low viscosity grade is used in ink formulation, where it facilitates easy mixing and reduces clogging in printing equipment. Stability temperature 120°C: Naphthol AS with a stability temperature of 120°C is used in high-temperature printing, where it maintains consistent performance and prevents decomposition. |
Competitive Naphthol AS 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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