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HS Code |
147171 |
| Product Name | Optical Brightener CPN |
| Chemical Name | 4,4'-Bis(2-sulfostyryl)biphenyl |
| Appearance | Yellowish powder |
| Color Index | Fluorescent Brightener 140 |
| Cas Number | 27344-41-8 |
| Molecular Formula | C28H20S2O6Na2 |
| Solubility | Easily soluble in water |
| Melting Point | Above 300°C (decomposes) |
| Ph Value | 7-9 (1% solution) |
| Application | Detergents and textile industries |
| Light Fastness | Good |
| Ionic Type | Anionic |
| Dosage | 0.05-0.2% (based on application) |
As an accredited Optical Brightener CPN factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Optical Brightener CPN is packaged in a 25 kg fiber drum with inner polyethylene liner, labeled with product and safety information. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for Optical Brightener CPN: typically 10-12 metric tons packed in 25kg bags with pallets or without. |
| Shipping | **Shipping Description for Optical Brightener CPN:** Optical Brightener CPN is shipped in tightly-sealed, moisture-proof fiber drums or bags, each lined with plastic to prevent contamination. Handle with care to avoid exposure. Store and transport in a cool, dry, and ventilated area away from direct sunlight and incompatible substances. Comply with all local and international regulations. |
| Storage | Optical Brightener CPN should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and sources of heat or ignition. Keep the container tightly closed and properly labeled to prevent moisture absorption and contamination. Avoid storage near strong acids or oxidizers. Use appropriate personal protective equipment when handling and ensure storage complies with local regulations. |
| Shelf Life | Optical Brightener CPN 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 CPN with purity 99% is used in high-grade laundry detergents, where it achieves superior fabric whitening and brightness enhancement. Molecular weight 350 g/mol: Optical Brightener CPN with molecular weight 350 g/mol is used in paper coating processes, where it imparts intense blue-white fluorescence for improved print contrast. Particle size <10 microns: Optical Brightener CPN with particle size <10 microns is used in plastics manufacturing, where it ensures uniform dispersion and consistent optical brightness. Melting point 212°C: Optical Brightener CPN with a melting point of 212°C is used in textile fiber production, where it maintains stability under high-temperature processing for durable brightness. Stability temperature 170°C: Optical Brightener CPN with a stability temperature of 170°C is used in PVC extrusion, where it resists thermal degradation for sustained whitening performance. Viscosity grade LV: Optical Brightener CPN with viscosity grade LV is used in aqueous emulsion coatings, where it enables easy mixing and enhanced brightness distribution. Solubility in water 15 g/L: Optical Brightener CPN with solubility in water 15 g/L is used in liquid detergent formulations, where it provides rapid dissolution and effective whitening action. pH value 7.5: Optical Brightener CPN with pH value 7.5 is used in cosmetic products, where it delivers gentle brightening without altering product stability or skin compatibility. |
Competitive Optical Brightener CPN 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
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