Description
Optical Brightener KSN
Chemical Name:
4.4-bis(5-methyl-2-benzoxoazol)-ethylene
| Formula | C29H20N2O2 |  |
| MW | 442 | |
| CAS# | 5242-49-9 |
Synonym name:
Hostalux KSN, Fluorescent Brightener 368 (FB 368) , c.i.368
Specification:
| Appearance | Pale yellow powder |
| Dosage | 0.01-0.05% |
| Melting point | 269-271℃ |
Application:
KSN and OB-1 share a similar chemical structure, while KSN has a better whitening effect on PC and plastics than OB-1, also better compatibility than OB-1.
KSN is suitable for PA, PAN, film, injection/extraction mold whitening.
Handling and Safety:
>For additional handling 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
Hostalux KSN, Optical Brightener KSN, CAS 5242-49-9, FBA 368 msds
Hostalux KSN, Optical Brightener KSN, CAS 5242-49-9, FBA 368 tds
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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 |
