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HS Code |
970739 |
| Cas Number | 135-65-9 |
| Molecular Formula | C16H13NO4 |
| Molecular Weight | 283.28 g/mol |
| Iupac Name | 3-hydroxy-N-(4-sulfophenyl)-2-naphthamide |
| Appearance | Light yellow crystalline powder |
| Melting Point | 246-250 °C (decomposition) |
| Solubility In Water | Slightly soluble |
| Synonyms | Naphthol AS-BS; 3-Hydroxy-2-naphthoic acid p-sulfoanilide |
| Usage | Azo dye intermediate, coupling component |
| Storage Temperature | Store at room temperature |
| Purity | Typically ≥98% |
| Hazard Statements | May cause respiratory and skin irritation |
As an accredited Naphthol AS-BS factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Naphthol AS-BS is packaged in a sealed 100g amber glass bottle, featuring a printed label with safety and handling instructions. |
| Shipping | Naphthol AS-BS should be shipped in tightly sealed containers, away from moisture and incompatible substances. Store in a cool, dry, well-ventilated area. Label packages clearly as hazardous material. Follow all local, national, and international regulations for the transport of chemicals, ensuring appropriate safety documentation and handling measures are in place to prevent spillage or contamination. |
| Storage | **Naphthol AS-BS** should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible substances such as strong oxidizers. Protect it from moisture and direct sunlight. Ensure the storage area is free from flammable materials, and that appropriate spill containment and fire safety measures are in place. |
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Purity 98%: Naphthol AS-BS with 98% purity is used in textile printing processes, where it ensures bright and consistent azo dye formation. Melting Point 200°C: Naphthol AS-BS with a melting point of 200°C is used in pigment dispersion formulations, where it offers enhanced thermal stability during processing. Particle Size <20 µm: Naphthol AS-BS with particle size less than 20 µm is used in ink manufacturing, where it provides improved color strength and dispersion uniformity. Solvent Solubility: Naphthol AS-BS with high solvent solubility is used in organic coatings, where it enables rapid dye development and uniform coloration. Stability Temperature 180°C: Naphthol AS-BS stable at 180°C is used in plastic coloration, where it maintains shade consistency and resists thermal degradation. Moisture Content <0.5%: Naphthol AS-BS with moisture content below 0.5% is used in powder dyes, where it ensures product stability and prevents clumping during storage. Viscosity Grade Low: Naphthol AS-BS with low viscosity grade is used in water-based inkjet inks, where it allows for smooth printhead performance and minimizes clogging. Purity 99%: Naphthol AS-BS with 99% purity is used in pharmaceutical intermediates synthesis, where it ensures minimal impurities for reliable reaction outcomes. Light Fastness Grade 6: Naphthol AS-BS with light fastness grade 6 is used in outdoor textile printing, where it provides superior color retention under UV exposure. Free Acid Content <0.1%: Naphthol AS-BS with free acid content under 0.1% is used in specialty dye formulations, where it reduces the risk of fabric damage and enhances dye uptake. |
Competitive Naphthol AS-BS 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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