|
HS Code |
769710 |
| Product Name | Optical Brightener 4BK |
| Cas Number | 16470-24-9 |
| Appearance | Yellowish white powder |
| Chemical Formula | C40H38N12O8S2Na2 |
| Solubility | Soluble in water |
| Molecular Weight | 924.93 g/mol |
| Ph Value | 6-8 (1% solution) |
| Main Application | Textile whitening and brightening |
| Light Fastness | Good |
| Ionic Character | Anionic |
| Storage Conditions | Keep in cool, dry, and well-ventilated area |
As an accredited Optical Brightener 4BK factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for Optical Brightener 4BK is a 25 kg net weight fiber drum, sealed with a plastic liner for moisture protection. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for Optical Brightener 4BK: 10 MT packed in 25 kg bags, total 400 bags per container. |
| Shipping | **Shipping Description for Optical Brightener 4BK:** Optical Brightener 4BK is shipped in sealed, moisture-proof containers to ensure product stability. Store in a cool, dry place, away from direct sunlight and incompatible materials. Handle with appropriate safety precautions. Transport according to local regulations, typically as non-hazardous material, ensuring containers remain intact and clearly labeled during transit. |
| Storage | Optical Brightener 4BK should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and sources of ignition. Keep the container tightly closed and avoid exposure to moisture and extreme temperatures. Store separately from incompatible substances such as strong acids and oxidizing agents. Use proper labeling and standard safety practices to ensure product stability and personnel safety. |
| Shelf Life | Optical Brightener 4BK typically has a shelf life of 12–24 months when stored in a cool, dry, and well-sealed container. |
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Purity 99%: Optical Brightener 4BK with purity 99% is used in polyester fiber production, where it delivers superior whitening and brightness consistency. Melting Point 225°C: Optical Brightener 4BK with melting point 225°C is used in high-temperature polymer extrusion, where it ensures thermal stability and maintains optical clarity. Particle Size 3 μm: Optical Brightener 4BK with particle size 3 μm is used in water-based coatings, where it provides uniform dispersion and enhances coating gloss. Molecular Weight 600 g/mol: Optical Brightener 4BK with molecular weight 600 g/mol is used in detergent formulations, where it improves fabric whiteness and wash fastness. Stability Temperature 180°C: Optical Brightener 4BK with stability temperature 180°C is used in plastic compounding, where it retains fluorescence without degradation under processing conditions. Solubility in Water 15 g/L: Optical Brightener 4BK with solubility in water 15 g/L is used in liquid laundry detergents, where it ensures homogeneous optical effects and easy formulation. Light Fastness 7 (Blue Wool Scale): Optical Brightener 4BK with light fastness 7 is used in PVC film manufacturing, where it maintains long-term brightness under UV exposure. Viscosity Grade Low: Optical Brightener 4BK with low viscosity grade is used in inkjet printing inks, where it allows for smooth flow and stable print quality. |
Competitive Optical Brightener 4BK 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!
