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HS Code |
930102 |
| Product Name | Optical Brightener 357 |
| Cas Number | 12224-12-3 |
| Chemical Formula | C40H38N12O8S2 |
| Appearance | Yellowish or off-white powder |
| Molecular Weight | 872.93 g/mol |
| Melting Point | 219-221°C |
| Solubility In Water | Insoluble |
| Light Fastness | Good |
| Application | Plastics, fibers, coatings |
| Maximum Absorption Wavelength | 358 nm |
| Maximum Emission Wavelength | 445 nm |
| Iupac Name | 4,4'-bis(2-sulfostyryl)biphenyl |
| Density | 1.3 g/cm³ |
As an accredited Optical Brightener 357 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Optical Brightener 357 is packaged in a 25 kg net weight fiber drum lined with inner double plastic bags for protection. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for Optical Brightener 357: Typically loaded as 10-12 metric tons, packed in 25kg fiber drums or bags. |
| Shipping | **Optical Brightener 357** is shipped in tightly sealed containers, typically 25 kg fiber drums or cartons with inner polyethylene liners, to protect against moisture and contamination. It should be transported and stored in a cool, dry, and well-ventilated area, away from direct sunlight, heat sources, and incompatible materials. |
| Storage | **Optical Brightener 357** should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and sources of ignition. Keep the container tightly closed to prevent moisture absorption and contamination. Store away from incompatible substances such as strong acids and oxidizers. Follow all local regulations and safety guidelines for chemical storage to ensure safe handling and preservation of the material’s quality. |
| Shelf Life | Optical Brightener 357 typically has a shelf life of 24 months when stored in a cool, dry, and well-sealed container. |
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Purity 99%: Optical Brightener 357 with purity 99% is used in high-quality plastics manufacturing, where it ensures maximal whitening efficiency and brilliant blue-white hue development. Molecular weight 359 g/mol: Optical Brightener 357 with molecular weight 359 g/mol is used in textile fiber processing, where it provides uniform color enhancement and consistent light fastness. Melting point 219°C: Optical Brightener 357 with melting point 219°C is used in polyester polymerization, where it maintains optical performance throughout high-temperature processing cycles. Particle size <10 microns: Optical Brightener 357 with particle size less than 10 microns is used in paper coating formulations, where it achieves superior dispersion and homogenous brightness. Stability temperature up to 250°C: Optical Brightener 357 with stability temperature up to 250°C is used in polyolefin film extrusion, where it delivers long-term brightness retention and resists thermal degradation. Solubility in organic solvents: Optical Brightener 357 with high solubility in organic solvents is used in ink formulations, where it promotes optimal fluorescence and print vibrancy. Moisture content <0.5%: Optical Brightener 357 with moisture content less than 0.5% is used in detergent powders, where it ensures free-flowing characteristics and enhanced product shelf life. UV absorption 347 nm: Optical Brightener 357 with UV absorption at 347 nm is used in laundry whitening agents, where it maximizes the absorption of UV light and visible brightness of textiles. |
Competitive Optical Brightener 357 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!
