|
HS Code |
638887 |
| Product Name | Direct Yellow 157 |
| C I Number | 29077 |
| Chemical Class | Direct azo dye |
| Chemical Formula | C32H22N10Na2O11S3 |
| Molecular Weight | 888.77 g/mol |
| Appearance | Yellow powder or granules |
| Solubility | Soluble in water |
| Hue | Bright yellow |
| Application | Textile dyeing (cellulose fibers, paper, leather) |
| Maximum Absorption Wavelength | 400-415 nm |
| Cas Number | 13125-23-6 |
| Ph Stability | Stable in neutral and slightly alkaline solutions |
| Lightfastness | Moderate |
| Heat Stability | Stable up to 150°C |
| Ionic Nature | Anionic |
As an accredited Direct Yellow 157 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Direct Yellow 157 is packaged in a 25 kg net weight fiber drum, lined with plastic, and features clear labeling for safe handling. |
| Storage | Direct Yellow 157 should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and moisture. Keep the container tightly closed when not in use to prevent contamination. Store away from incompatible substances such as strong oxidizing agents. Properly label storage containers and ensure that only trained personnel access the chemical to maintain safety. |
| Shipping | Direct Yellow 157 is typically shipped in tightly sealed, moisture-proof containers, such as fiber drums or plastic bags, to prevent contamination and moisture absorption. The shipment must comply with local and international regulations for transporting chemicals, ensuring clear labeling and proper documentation. Handle with care to avoid spillage and environmental release. |
Competitive Direct Yellow 157 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