| HS Code | 368319 |
| Product Name | Optical Brightener SWN |
| Appearance | Light yellowish powder |
| Solubility | Soluble in water |
| Chemical Family | Stilbene derivative |
| Cas Number | 7128-64-5 |
| Molecular Formula | C28H20S2O6Na2 |
| Main Application | Textile whitening |
| Melting Point | Above 300°C (decomposes) |
| Ionic Nature | Anionic |
| Maximum Absorption Wavelength | Approximately 350 nm |
| Maximum Fluorescence Emission | Approximately 430 nm |
| Recommended Dosage | 0.05-0.3% (on weight of fabric) |
| Ph Stability | Stable in pH 4-11 |
| Lightfastness | Good |
| Storage Conditions | Cool, dry place |
As an accredited Optical Brightener SWN factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Optical Brightener SWN is packaged in 25 kg fiber drums lined with plastic bags, ensuring product stability and moisture protection. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for Optical Brightener SWN: Typically loads 10-14 metric tons, packed in 25kg fiber drums or cartons, safely secured. |
| Shipping | **Shipping Description for Optical Brightener SWN:** Optical Brightener SWN is typically shipped in fiber drums, plastic barrels, or bags with inner linings, each containing 25 kg. It should be transported and stored in a cool, dry, and well-ventilated area, protected from moisture and direct sunlight. Handle with care to avoid spillage or contamination. |
| Storage | **Optical Brightener SWN** should be stored in a cool, dry, well-ventilated area, away from direct sunlight, heat sources, and moisture. Keep the container tightly closed to prevent contamination. Avoid storing near strong acids, bases, or oxidizing agents. Use original, labeled containers and ensure proper handling to minimize exposure to dust. Store according to regulatory and safety guidelines. |
| Shelf Life | Optical Brightener SWN typically has a shelf life of 24 months when stored in a cool, dry, and well-sealed container. |
Competitive Optical Brightener SWN 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
Flexible payment, competitive price, premium service - Inquire now!