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HS Code |
835085 |
| Cas Number | 12220-27-6 |
| Molecular Formula | C20H21N5Na2O10S3 |
| Molecular Weight | 649.59 g/mol |
| Color | Black |
| Appearance | Powder |
| Solubility | Soluble in water |
| Type | Acid dye |
| Einecs Number | 235-455-9 |
| Application | Textile dyeing |
| Ph Stability | Stable in acidic conditions |
As an accredited Acid Black 31 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Acid Black 31 is packaged in a 25 kg sealed fiber drum, lined with plastic, featuring clear labeling for safe handling. |
| Shipping | **Acid Black 31** is typically shipped in tightly sealed 25 kg fiber drums or bags, ensuring protection from moisture and contamination. Containers are clearly labeled with hazard symbols and handling instructions. During transit, it is kept away from incompatible substances, heat, and direct sunlight, complying with relevant safety and regulatory standards. |
| Storage | **Acid Black 31** 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 properly labeled. Store away from incompatible materials such as strong oxidizing agents and acids. Avoid moisture to prevent clumping or decomposition. Use only in areas with appropriate chemical-resistant flooring and containment. |
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Purity 95%: Acid Black 31 with purity 95% is used in textile dyeing applications, where it ensures deep and uniform black coloration on cotton fabrics. Molecular Weight 616.49 g/mol: Acid Black 31 with molecular weight 616.49 g/mol is used in leather tanning, where it provides excellent penetration and fast shade development. Shade Strength 120%: Acid Black 31 at shade strength 120% is used in wool dyeing, where it achieves enhanced color vibrancy and consistent batch-to-batch reproducibility. Water Solubility 60 g/L: Acid Black 31 with water solubility 60 g/L is used in paper staining processes, where it delivers rapid dissolution and efficient dispersion for uniform surface coloring. Stability Temperature 120°C: Acid Black 31 with stability up to 120°C is used in nylon fiber dyeing, where it maintains color fastness during high-temperature processing. Particle Size <5 µm: Acid Black 31 with particle size less than 5 µm is used in ink formulation, where it ensures smooth flow and reduced sedimentation in printing applications. Melting Point 270°C: Acid Black 31 with melting point 270°C is used in synthetic fiber dyeing, where it withstands thermal processing without degradation. pH Stability Range 2–5: Acid Black 31 with pH stability range 2–5 is used in acidic dye baths, where it provides reliable shade consistency under controlled pH conditions. |
Competitive Acid Black 31 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!
