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HS Code |
646725 |
| Cas Number | 1064-48-8 |
| Molecular Formula | C22H14N6Na2O9S2 |
| Molecular Weight | 616.50 g/mol |
| Ec Number | 213-903-8 |
| Appearance | Black powder or granules |
| Solubility In Water | Soluble |
| Dye Class | Azo dye |
| Color Index Number | 20470 |
| Synonyms | Acid Black 1, Wool Black S, Nigrosine Acid Black |
| Ph Value | Approx. 6-8 (1% solution) |
| Usage | Textile dyeing, ink, paper dyeing |
As an accredited Acid Black A factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Acid Black A is packaged in a 500g plastic jar, featuring a tightly sealed lid and a clear, hazard-labeled exterior. |
| Shipping | **Shipping Description for Acid Black A:** Acid Black A should be shipped in tightly sealed containers, protected from moisture, heat, and direct sunlight. It must be clearly labeled and accompanied by safety data sheets. Handle with appropriate personal protective equipment. Follow all relevant local, national, and international regulations for the transport of chemicals and dyes. |
| Storage | Acid Black A should be stored in a cool, dry, and well-ventilated area away from sources of heat and ignition. Keep the container tightly closed and protected from direct sunlight and moisture. Store separately from incompatible substances such as strong oxidizers and alkalis. Ensure proper labeling and use appropriate corrosion-resistant containers to prevent leakage or contamination. |
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Purity 98%: Acid Black A with purity 98% is used in textile dyeing processes, where it ensures intense and uniform coloration of fibers. Molecular weight 616.49 g/mol: Acid Black A with molecular weight 616.49 g/mol is utilized in paper staining applications, where it provides excellent penetration and consistent hue intensity. Stability at 120°C: Acid Black A with temperature stability at 120°C is applied in high-temperature wool dyeing, where it maintains color integrity without degradation. Particle size ≤10 µm: Acid Black A with particle size ≤10 µm is used in ink formulation, where it enables smooth dispersion and prevents nozzle clogging in inkjet printers. pH stability 2-6: Acid Black A with pH stability between 2 and 6 is employed in leather finishing, where it achieves robust and long-lasting black shades. Water solubility 35 g/L: Acid Black A with water solubility 35 g/L is used for synthetic fiber dyeing, where it enables rapid and complete dissolution for efficient processing. Lightfastness grade 6 (ISO 105-B02): Acid Black A with lightfastness grade 6 is used in automotive upholstery dyeing, where it provides durable and fade-resistant coloration under prolonged light exposure. Melting point 270°C: Acid Black A with melting point 270°C is used in plastic coloration, where it imparts stable color during high-temperature polymer processing. Viscosity 80 cps (1% solution): Acid Black A with viscosity 80 cps in a 1% solution is applied in aqueous dye baths, where it ensures even coating and minimizes settling. Ash content ≤0.5%: Acid Black A with ash content ≤0.5% is used in water-based coating formulations, where it guarantees high purity and minimal residue after application. |
Competitive Acid Black A 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
Flexible payment, competitive price, premium service - Inquire now!
