Description
Uvitex/Tinopal OB, Optical Brightener OB
Chemical Name:
2,5-Thiophenediylbis(5-tert-butyl-1,3-benzoxazole)
| Formula | C26H26N2O2S |  |
| MW | 430 | |
| CAS# | 7128-64-5 |
Synonym Name:
BASF Uvitex Ob, Tinopal OB, Fluorescent Brightener 184 (FB 184) , c.i.184, Fluorescent Brightener OB
Specification:
| Appearance | Slight greenish-yellow powder |
| Dosage | 0.01-0.05% |
| Melting point | 196-200℃ |
| Purity | ≥99% |
| Solubility | (g/100 g solution) at 20° C: |
| Acetone | 0.5 |
| Chloroform | 14 |
| Dimethylformamide | 0.8 |
| Dioxane | 2 |
| n-Hexane | 0.2 |
| Methanol | ＜0.1 |
| Methylethylketone | 1.3 |
| Tricresylphosphate | 0.8 |
| Xylene | 5 |
Application:
>Optical Brightener are used to offset the yellowness of a polymer and yield a whiter appearance. OB is used as thermoplastic (PVC, PS, PE, PP, ABS) optical brightener. Also for coatings, printing inks, paints, dyes, manufactured fibers, synthetic leather, waxes, fats, and oils. Ob is a general-purpose optical brightener agent.
>Recommended concentrations: 0.02-5% depending on the application and degree of desired whiteness.
Handing and Safety:
>FDA approved for use in polymers subject to the limitations in 21 CFR §176.170(c).
>For additional handing and toxicological information, please consult us for Maternal Safety Date Sheet.
Package:
25kg per fiber drum, 6*2 layer 12 drums per pallet, 5CBM per ton,or according to customers’ requirements.
TDS & MSDS
Tinopal & Uvitex OB, Optical Brightener OB, CAS 7128-64-5, FBA 184 msds
Tinopal & Uvitex OB, Optical Brightener OB, CAS 7128-64-5, FBA 184 tds
Need Sample or Quote？
Related Products
Optical brightener for plastics, cotton, detergent, paper
| Product | Synonyms | CAS Number | Features |
Optical Brightener For Plastics | |||
| 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 | |||
| 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 | |||
| CBS-X | Tinopal CBS-X | 27344-41-8 | for detergent, soap, washing |
Optical Brightener For Paper | |||
| VBL | FBA 85 | 12224-16-7 | for paper, also for cotton, vinylon, nylon |
| BBU | FBA 220 | 16470-24-9 | Replace VBL |
