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HS Code |
837179 |
| Product Name | Optical Brightener KSN |
| Chemical Name | 4,4'-Bis(5-methyl-2-benzoxazolyl)stilbene |
| Cas Number | 5242-49-9 |
| Molecular Formula | C30H22N2O2 |
| Appearance | Yellowish-green powder |
| Melting Point | ≥ 300°C |
| Solubility | Insoluble in water, soluble in organic solvents |
| Usage | Brightening of polyester, plastics, and fibers |
| Fluorescence Color | Blue-violet |
| Einecs Number | 226-031-1 |
As an accredited Optical Brightener KSN factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Optical Brightener KSN is packed in 25kg fiber drums lined with plastic bags, ensuring protection from moisture and contaminants. |
| Container Loading (20′ FCL) | For Optical Brightener KSN, a 20′ FCL (Full Container Load) typically accommodates 10 metric tons packed in 25kg fiber drums. |
| Shipping | Optical Brightener KSN is typically shipped in 25 kg fiber drums or woven bags, lined with plastic for moisture protection. Packages are securely sealed and labeled according to international chemical regulations. It should be stored in a cool, dry, well-ventilated area, away from direct sunlight and incompatible materials to ensure product stability during transit. |
| Storage | Optical Brightener KSN should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and moisture. Keep the container tightly closed and avoid exposure to incompatible substances like strong acids or oxidizers. Store at room temperature and avoid extreme heat. Use dedicated, labeled containers to prevent contamination and ensure product stability and effectiveness. |
| Shelf Life | Optical Brightener KSN typically has a shelf life of 24 months when stored in a cool, dry, and well-sealed condition. |
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Purity 99%: Optical Brightener KSN with purity 99% is used in polyester fiber processing, where it delivers high whiteness and brilliance to synthetic textiles. Melting Point 600°C: Optical Brightener KSN with a melting point of 600°C is used in high-temperature plastic extrusion, where it maintains optical stability without degradation. Particle Size D90 < 10 μm: Optical Brightener KSN with particle size D90 less than 10 μm is used in masterbatch manufacturing, where it ensures uniform dispersion and consistent brightening. Molecular Weight 430 g/mol: Optical Brightener KSN with molecular weight 430 g/mol is used in PVC sheet production, where it optimizes compatibility and enhances reflected light intensity. Stability Temperature 300°C: Optical Brightener KSN with stability temperature 300°C is used in polymer melt-spinning, where it preserves optical performance under thermal stress. Water Insolubility: Optical Brightener KSN with water insolubility is used in solvent-based coating formulations, where it provides durable brightness and resistance to washing. Solubility in Organic Solvents: Optical Brightener KSN with solubility in organic solvents is used in printing ink applications, where it improves print clarity and fluorescent intensity. Low Volatility: Optical Brightener KSN with low volatility is used in polyurethane foam manufacturing, where it guarantees long-lasting whitening without loss through evaporation. UV Stability: Optical Brightener KSN with UV stability is used in outdoor plastic components, where it provides prolonged anti-yellowing and color fastness. High Tinting Strength: Optical Brightener KSN with high tinting strength is used in synthetic detergents, where it intensifies fabric brightness with low required dosage. |
Competitive Optical Brightener KSN 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!
