|
HS Code |
131611 |
| Product Name | Direct Fast Black |
| Chemical Class | Azo dye |
| Appearance | Black powder or granules |
| Solubility | Soluble in water |
| Molecular Formula | Variable (depends on specific type), commonly C32H20N6Na2O11S3 |
| Color Index Number | C.I. Direct Black 22 (or similar depending on the variant) |
| Application | Textile dyeing |
| Light Fastness | Moderate to good |
| Ph Stability | Stable in neutral and slightly alkaline solutions |
| Melting Point | Decomposes before melting |
| Toxicity | May be harmful if swallowed or inhaled |
| Storage Conditions | Keep in cool, dry place |
| Cas Number | 6473-13-8 (for Direct Black 22) |
| Ionic Nature | Anionic |
| Manufacturing Method | Diazotization and coupling reactions |
As an accredited Direct Fast Black factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for Direct Fast Black features a sealed, 25 kg fiber drum with a secure lid, labeled with product details and safety warnings. |
| Shipping | Direct Fast Black is shipped in tightly sealed, clearly labeled containers such as fiber drums or bags, lined with polyethylene to prevent moisture contamination. Packages are handled carefully to avoid spills, exposure to air, or extreme temperatures. All shipments comply with international regulations for safe chemical transport and proper documentation is provided. |
| Storage | Direct Fast Black should be stored in a cool, dry, and well-ventilated area away from direct sunlight, heat sources, and incompatible materials such as strong oxidizing agents. The container should be tightly closed and clearly labeled. Avoid moisture exposure to prevent clumping and degradation. Use proper personal protective equipment when handling to minimize dust generation and inhalation risks. |
Competitive Direct Fast Black prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615365186327 or mail to sales3@ascent-chem.com.
We will respond to you as soon as possible.
Tel: +8615365186327
Email: sales3@ascent-chem.com
Flexible payment, competitive price, premium service - Inquire now!
