|
HS Code |
577084 |
| Chemical Name | Direct Black 19 |
| Cas Number | 6428-31-5 |
| Molecular Formula | C34H28N6Na4O14S4 |
| Molecular Weight | 960.91 g/mol |
| Appearance | Black powder or granules |
| Solubility In Water | Soluble |
| Dye Class | Azo dye |
| Application | Textile dyeing (cotton, paper, silk) |
| Color Index Number | C.I. 20500 |
| Melting Point | Decomposes |
| Ph Value | 6-8 (1% solution) |
| Light Fastness | Moderate |
| Storage Conditions | Cool, dry place |
As an accredited Direct Black 19 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Direct Black 19 is packaged in a 25 kg woven polyethylene bag, featuring clear labeling, batch number, and hazard symbols. |
| Storage | Direct Black 19 should be stored in a cool, dry, and well-ventilated area, away from direct sunlight, moisture, and incompatible substances such as strong oxidizers. The container must be tightly closed and clearly labeled. Avoid contact with skin and eyes, and prevent dust formation. Use appropriate personal protective equipment (PPE) during handling and storage to ensure safety. |
| Shipping | Direct Black 19 is shipped as a powder or granules in sealed, labeled, and approved containers, such as fiber drums or plastic bags, to ensure safety and prevent contamination. Packaging complies with international transport regulations, and the product is protected from moisture, heat, and direct sunlight during transit. |
Competitive Direct Black 19 prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615371019725 or mail to sales7@sinochem-nanjing.com.
We will respond to you as soon as possible.
Tel: +8615371019725
Email: sales7@sinochem-nanjing.com