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|
HS Code |
909605 |
| Product Name | Optical Brightener ER-II |
| Chemical Name | 4,4'-Bis(2-sulfostyryl)biphenyl |
| Appearance | Yellowish-green powder |
| Cas Number | 27344-41-8 |
| Molecular Formula | C28H20O6S2Na2 |
| Solubility | Soluble in water |
| Melting Point | Over 300°C (decomposes) |
| Ionic Character | Anionic |
| Main Application | Used as a fluorescent whitening agent for textiles and detergents |
| Maximum Absorption Wavelength | Approximately 350 nm |
| Maximum Emission Wavelength | Approximately 430 nm |
| Dosage | Typically 0.05–0.2% in end applications |
| Ph Applicability | Stable in neutral to mildly alkaline conditions |
| Lightfastness | Moderate |
As an accredited Optical Brightener ER-II factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for Optical Brightener ER-II contains 25 kg, sealed in a double-layered, moisture-resistant woven plastic bag with product labeling. |
| Container Loading (20′ FCL) | 20′ FCL container loading for Optical Brightener ER-II: Typically packed in 25kg fiber drums, totaling approximately 7–8 metric tons per container. |
| Shipping | Optical Brightener ER-II is typically shipped in tightly sealed, moisture-proof 25 kg fiber drums or kraft paper bags. Ensure protection from exposure to sunlight, moisture, and high temperatures during transit and storage. Handle with care, following chemical safety guidelines, and avoid direct contact with skin and eyes. Transport according to local regulations. |
| Storage | Optical Brightener ER-II 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 to prevent moisture absorption. Avoid storing with acids, oxidizing agents, or foodstuffs. Use appropriate personal protective equipment when handling. Ensure all storage regulations for chemicals are followed to ensure product stability and safety. |
| Shelf Life | Optical Brightener ER-II has a shelf life of 24 months when stored in a cool, dry, and well-ventilated area. |
Competitive Optical Brightener ER-II prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615365186327 or mail to sales3@boxa-chem.com.
We will respond to you as soon as possible.
Tel: +8615365186327
Email: sales3@boxa-chem.com
Flexible payment, competitive price, premium service - Inquire now!
