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HS Code |
246532 |
| Chemicalname | Acid Black 29 |
| Synonyms | Alizarine Black B; C.I. 20470 |
| Casnumber | 6150-96-5 |
| Chemicalformula | C20H13N2NaO5S |
| Molecularweight | 416.38 g/mol |
| Appearance | Black powder |
| Solubilityinwater | Soluble |
| Dyeclass | Azo dye |
| Usage | Textile dyeing |
| Meltingpoint | Decomposes |
| Ci Number | 20470 |
| Phrange | 4.5 - 7.0 (1% solution) |
| Maximumabsorptionwavelength | 615 nm |
As an accredited Acid Black 29 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for Acid Black 29 is a 25 kg net weight fiber drum with a secure plastic inner liner and product labeling. |
| Shipping | Acid Black 29 is typically shipped in tightly sealed, clearly labeled containers to prevent moisture and contamination. It should be transported as a non-hazardous dye under standard chemical shipping regulations. Store and handle the product in a cool, dry, and well-ventilated area, following general safety and environmental guidelines. |
| Storage | Acid Black 29 should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and incompatible substances such as strong oxidizing agents. Keep the container tightly closed when not in use, and store it in a labeled, corrosion-resistant container. Ensure storage areas have appropriate spill containment measures, and restrict access to trained personnel only. |
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Purity 98%: Acid Black 29 with 98% purity is used in synthetic fiber dyeing, where high chromatic strength and uniform shade are achieved. Molecular weight 616.49 g/mol: Acid Black 29 of molecular weight 616.49 g/mol is used in wool textile dyeing, where consistent penetration and colorfastness are ensured. Melting point >300°C: Acid Black 29 with a melting point above 300°C is used in nylon yarn coloration, where excellent thermal stability during processing is provided. Particle size <10 μm: Acid Black 29 of particle size less than 10 μm is used in inkjet ink formulations, where improved dispersion and print sharpness result. Lightfastness grade 5: Acid Black 29 with lightfastness grade 5 is used in automotive fabric coloring, where superior resistance to fading from sunlight exposure is maintained. Solubility in water 50 g/L (at 25°C): Acid Black 29 with water solubility of 50 g/L at 25°C is used in aqueous textile dye baths, where rapid and complete dissolution is provided. pH stability 2-6: Acid Black 29 stable at pH 2-6 is used in acidic dyeing processes for silk, where optimal color retention and dye uptake are achieved. Stability temperature 120°C: Acid Black 29 with a stability temperature of 120°C is used in high-temperature polyester dyeing, where dye integrity during processing is retained. Viscosity 1.2 mPa·s (solution): Acid Black 29 solution with viscosity 1.2 mPa·s is used in continuous dye printing, where even application and penetration are optimized. Sulfonation degree 2.8 mmol/g: Acid Black 29 with sulfonation degree of 2.8 mmol/g is used in leather finishing, where improved wet-rub fastness and color leveling are obtained. |
Competitive Acid Black 29 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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