Classification
| Product name | CAS No. | Order |
| Optical Brightener CBS-X(C.I.351) | 27344-41-8 | Order |
| Optical Brightener FP-127(C.I.378) | 40470-68-6 | Order |
| Optical Brightener OB-1(C.I.393) | 1533-45-5 | Order |
| Optical Brightener OB (C.I.184) | 7128-64-5 | Order |
| Optical brightener KSN(C.I.368) | 5242-49-9 | Order |
