Description
Optical Brightener OB-1
Chemical Name:
2,2′-(vinylenedi-p-phenylene)bisbenzoxazole
| Formula | C28H18N2O2 |  |
| MW | 414 | |
| CAS# | 1533-45-5 |
Synonym name:
Fluorescent Brightener 393 (FB 393 ) , C.I.393, Fluorescent Brightener OB-1, Eastobrite OB-1
Specification:
| Appearance | yellowish or greenish powder, two color shades |
| Melting point | 357-359℃ |
| Solubility | (g/100 g solution) at 20° C: |
| Acetone | ＜0.1 |
| Chloroform | ＜0.1 |
| Hexane | ＜0.1 |
| Methanol | ＜0.1 |
| Water | ＜0.1 |
Application:
OB 1 has low volatility and excellent heat resistance which make the product ideal for use in fibers and in engineering plastics processed at high temperatures.
OB 1 has two colors shades, greenish and yellowish color shade.
>Recommended concentrations：0.005-0.2% depending on the application and degree of desired whiteness.
Handling and Safety:
>FDA cleared for use in all polymers
>For additional handling and toxicological information, please consult us for Maternal Safety Date Sheet.
Package:
25kg per fiber drum with PE liner, 6*2 layer 12 drums per pallet, 5 CBM per ton, or according to customers’ requirements.
TDS & MSDS
Eastobrite OB-1, Optical Brightener OB-1, CAS 1533-45-5, FBA 393 tds
Eastobrite OB-1, Optical Brightener OB-1, CAS 1533-45-5, FBA 393 msds
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Optical brightener for plastics, cotton, detergent, paper
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Optical Brightener For Plastics |
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| FP-127 | Uvitex FP | 40470-68-6 | the best OBA for PVC products |
| KCB | Hostalux KCB | 5089-22-5 | OBA for plastics and lacquer, especial for EVA |
| KSB | Telalux KSB | 7128-54-5 | OBA for transparent plastics, recycled PE/PP |
| KSN | Hostalux KSN | 5242-49-9 | OBA For high-temperature plastics, 100% counter |
| OB | Uvitex OB, Tinopal OB | 7128-64-5 | universal plastic OBA, also for ink, coating |
| OB-1 | Eastobrite OB-1 | 1533-45-5 | universal plastic OBA, green or yellow shade |
| PF | FBA 135 | 1041-00-5 | strong red shade |
Optical Brightener For Cotton |
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| 4BK | FBA 113 | 12768-91-1 | for cotton or with fabic blend, red or blue shade |
| ER-I | FBA 199 | 13001-39-3 | powder & liquid form, PE, PA, CA fiber, high temperature whitening |
| ER-II | FBA 199:1 | 13001-38-2 | powder & liquid form, PE, PA, CA fiber, lower temperature whitening |
| EBF | FBA 185 | 12224-41-8 | |
Optical Brightener For Detergent |
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| CBS-X | Tinopal CBS-X | 27344-41-8 | for detergent, soap, washing |
Optical Brightener For Paper |
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| VBL | FBA 85 | 12224-16-7 | for paper, also for cotton, vinylon, nylon |
| BBU | FBA 220 | 16470-24-9 | Replace VBL |
