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HS Code |
541016 |
| Chemical Name | 3-Hydroxy-2-naphthoic acid anilide |
| Common Name | Naphthol AS-KB |
| Cas Number | 135-65-9 |
| Molecular Formula | C17H13NO2 |
| Molar Mass | 263.29 g/mol |
| Appearance | Light yellow powder |
| Melting Point | 196-198°C |
| Solubility In Water | Insoluble |
| Application | Azo dye intermediate and pigment |
| Density | 1.29 g/cm³ |
| Boiling Point | Decomposes before boiling |
| Storage Conditions | Store in cool, dry place |
| Purity | Typically >98% |
| Synonyms | Benzanilide, 3-hydroxy-2-naphthalenecarboxylic acid |
| Ec Number | 205-198-5 |
As an accredited Naphthol AS-KB factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Naphthol AS-KB is packaged in a 25 kg net weight, sealed fiber drum with an inner polyethylene liner for safe storage. |
| Shipping | Naphthol AS-KB should be shipped in tightly sealed containers, away from heat, moisture, and direct sunlight. Transport under dry conditions with proper labeling in accordance with local and international regulations. Ensure compatible packaging to prevent contamination, spillage, or accidental release during transit. Handle carefully to avoid damage to containers. |
| Storage | Naphthol AS-KB should be stored in a cool, dry, and well-ventilated area away from sources of ignition and incompatible substances such as strong oxidizers. Keep the container tightly closed and protected from light and moisture. Store at room temperature and avoid exposure to heat or direct sunlight. Ensure proper labeling and follow all safety guidelines for handling hazardous chemicals. |
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Purity 98%: Naphthol AS-KB with purity 98% is used in azo dye synthesis for textile printing, where it ensures high color yield and consistency. Melting Point 180°C: Naphthol AS-KB with melting point 180°C is used in pigment dispersion manufacturing, where it provides enhanced heat resistance during processing. Fine Particle Size (<10 µm): Naphthol AS-KB with fine particle size (<10 µm) is used in water-based ink production, where it enables smooth application and uniform color development. High Stability Temperature (150°C): Naphthol AS-KB with high stability temperature (150°C) is used in high-temperature dyeing of polyester fibers, where it maintains structural integrity and vivid shade. Molecular Weight 265 g/mol: Naphthol AS-KB with molecular weight 265 g/mol is used in organic synthesis for intermediates, where it allows precise stoichiometric control and efficient reaction pathways. Solubility in Alkali: Naphthol AS-KB with good solubility in alkali is used in reactive dye formulation for cellulose fibers, where it facilitates rapid and complete dye coupling. |
Competitive Naphthol AS-KB 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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