Optical Brightener ER-2 Fluorescent Whitening Agent for Polyester Fiber - 99% Purity, 430.56 Molecular Weight
Price:
Negotiable
MOQ:
1 ton
Delivery Time:
Negotiable
Brand:
RUNYE
Product Description
Product Overview
Optical Brightener ER-2 is a high-performance fluorescent whitening agent specifically formulated for polyester fiber applications. This disulfonic distyrylbiphenyl biphenyl compound delivers exceptional whitening and brightening performance across various textile substrates.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | Optical Brightener ER-2 |
| Other Name | Fluorescent Brightener |
| CAS No. | 7128-64-5 |
| Einecs No. | 230-426-4 |
| Appearance | Light Yellow Powder |
| Specification | 99% |
| Molecular Formula | C26H26N2O2S |
| Molecular Weight | 430.56 |
| Melting Point | 199-201 °C |
| Boiling Point | 531.2±45.0 °C (Predicted) |
| Application | Auxiliary Agents |
Key Benefits
- Excellent resistance to heat up to 200°C
- Exceptional whitening properties with brilliant bluish cast
- Good light fastness and low volatility
- Soluble in organic solvents for easy application
- Good compatibility in various substrates
Applications
Fluorescent Brightener ER-2 is specifically designed for high-temperature applications including:
- Molding of various plastics and plastic products
- Whitening of polyester fiber and polyester-cotton blend fabrics
- Polyester raw liquid whitening processes
- Textile applications requiring chlorine bleaching resistance
Packaging & Storage
Packaging: 25kg fibre drums
Quantity: Approximately 5.25 metric tons per 20-foot container (without pallets)
Storage: Keep in cool, dry place to maintain product integrity
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Company
Zhengzhou Runye Chemical Co., Ltd
Location
11th floor, Leding Square, Power Plant Road, Zhongyuan District, Zhengzhou, Henan, China