|
HS Code |
357641 |
| Chemical Name | Direct Black HEF |
| Color Index Number | C.I. Direct Black 22 |
| Appearance | Black powder or granules |
| Solubility | Soluble in water |
| Application | Textile dyeing (cotton, viscose, and blends) |
| Chemical Formula | C44H32N13Na5O17S5 |
| Molecular Weight | 1206.07 g/mol |
| Light Fastness | Moderate to good |
| Bulk Density | Approx. 0.60 g/cm³ |
| Ph Value | 7-9 (1% solution) |
| Dye Class | Direct dye |
| Strength | 100% standard |
As an accredited Direct Black HEF factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Direct Black HEF is packaged in a 25 kg net weight woven plastic bag, featuring clear labeling and protective inner lining. |
| Storage | Direct Black HEF should be stored in a cool, dry, and well-ventilated area, away from sources of heat and incompatible materials such as strong oxidizers. Keep the container tightly closed, protected from moisture and direct sunlight. Store at room temperature, and ensure proper labeling. Use suitable personal protective equipment when handling, and follow all relevant safety guidelines for chemical storage. |
| Shipping | Direct Black HEF is typically shipped in tightly sealed fiber drums or plastic bags, lined with polyethylene to prevent moisture absorption. Packages are clearly labeled and handled as non-hazardous, but care is taken to keep them dry and ventilated during transport. Store away from strong oxidizers and direct sunlight. |
Competitive Direct Black HEF 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