| Customization: | Available |
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| Certification: | SGS |
| Environmental Protection: | Yes |
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| Product Name | Optical Brightener OB |
| Chemical Name | 2,5'-Bis[2-(5-tert-buty l-2 benzoxazoly)thiophene |
| CAS No. | 7128-64-5 |
| C.I. No. | 184 |
| Structural Formula | |
| Molecular Formula | C26H26N2O2N2 |
| Molecular Weight | 430 |
| Technical Index | Appearance: slight greenish yellow powder Melting Point:200-202°C Purity:≥99% |
| Uses | Mainly be used in whitening of thermoplastic, polyvinyl chloride(PVC), polypropylene(PP), polyester fiber, coating, etc. Plastics: about 200g per 1000kgs |
| Packing | 25 kg per fiber drum |
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