|
HS Code |
848716 |
| Chemical Name | 2,2'-(2,5-thiophenediyl)bis(5-tert-butylbenzoxazole) |
| Cas Number | 7128-64-5 |
| Appearance | yellowish green crystalline powder |
| Molecular Formula | C26H26N2O2S |
| Molecular Weight | 430.57 |
| Melting Point | 220-222°C |
| Solubility | insoluble in water, soluble in organic solvents such as chloroform and toluene |
| Max Uv Absorption | around 350 nm |
| Application | used as an optical brightener for polyester fibers and plastics |
| Fluorescence Color | blue-violet fluorescence |
As an accredited Optical Brightener ER-330 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Optical Brightener ER-330 is packaged in 25 kg fiber drums with inner polyethylene lining, ensuring safe storage and transport. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for Optical Brightener ER-330: 10MT packed in 25kg bags, 400 bags per container, securely loaded. |
| Shipping | Optical Brightener ER-330 is shipped in securely sealed, high-density polyethylene (HDPE) drums or cartons, each lined with inner plastic bags to prevent moisture contamination. Packages are clearly labeled with product information and hazard details. Store and transport in a cool, dry area, following all local regulations for chemical handling and safety. |
| Storage | Optical Brightener ER-330 should be stored in a cool, dry, and well-ventilated area away from direct sunlight and sources of ignition. Keep the container tightly closed when not in use to prevent moisture absorption and contamination. Ensure storage areas are free from incompatible materials such as strong acids and oxidizers. Use appropriate safety measures and personal protective equipment during handling. |
| Shelf Life | Optical Brightener ER-330 has a shelf life of up to 24 months when stored in a cool, dry, well-ventilated place. |
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Purity 99%: Optical Brightener ER-330 with a purity of 99% is used in detergent formulations, where it delivers superior whiteness and enhances fabric brightness. Molecular Weight 700: Optical Brightener ER-330 with a molecular weight of 700 is deployed in paper coating applications, where it improves UV reflectance and print definition. Melting Point 230°C: Optical Brightener ER-330 with a melting point of 230°C is used in polyester fiber manufacturing, where it ensures thermal stability and consistent color enhancement during extrusion. Particle Size <10 µm: Optical Brightener ER-330 with a particle size less than 10 µm is applied in high-gloss plastic molding, where it provides uniform dispersion and optimal surface luminosity. Stability Temperature 180°C: Optical Brightener ER-330 with a stability temperature of 180°C is utilized in PVC extrusion, where it maintains optical performance under elevated processing temperatures. Water Solubility 85%: Optical Brightener ER-330 with water solubility of 85% is implemented in liquid laundry detergents, where it guarantees fast dissolution and effective whitening results. pH Stability 5-10: Optical Brightener ER-330 with pH stability between 5 and 10 is used in textile dye baths, where it retains brightening efficacy across various processing conditions. Viscosity Grade Low: Optical Brightener ER-330 of low viscosity grade is utilized in inkjet printing inks, where it enables smooth application and prevents clogging of print heads. |
Competitive Optical Brightener ER-330 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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