|
HS Code |
186507 |
| Chemical Name | Direct Black OB |
| C I Number | C.I. 30235 |
| Appearance | Black powder or granules |
| Solubility | Soluble in water |
| Molecular Formula | C26H20N6Na4O13S4 |
| Molecular Weight | 878.75 g/mol |
| Dye Class | Azo dye |
| Ph Range 1 Solution | 6.0 - 8.0 |
| Melting Point | Decomposes |
| Application | Textile dyeing (cotton, viscose) |
| Light Fastness | Moderate to good |
| Cas Number | 1937-37-7 |
As an accredited Direct Black OB factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Direct Black OB is packaged in 25 kg net weight fiber drums, lined with plastic bags to ensure moisture protection and safe handling. |
| Shipping | Direct Black OB is typically shipped in 25 kg woven bags or fiber drums, lined with plastic for extra protection. Store and transport in a cool, dry, and well-ventilated area, away from moisture and direct sunlight. Ensure the containers are tightly sealed to prevent contamination or spillage during transit. |
| Storage | Direct Black OB should be stored in a cool, dry, well-ventilated area away from direct sunlight and sources of heat or ignition. The chemical should be kept in tightly closed, properly labeled containers to avoid moisture absorption and contamination. Avoid contact with incompatible substances and ensure adequate ventilation to minimize dust formation. Follow all relevant safety and storage regulations. |
Competitive Direct Black OB 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!
