Product Code | C.I. No. | CAS No. | Molecular Formula |
Optical Brightening Agent OB | 184 | 7128-64-5 | C26H26N2O2N2 |
Optical Brightening Agent OB-1 | 393 | 1533-45-5 | C28H18N2O2 |
Optical Brightening Agent FP-127 | 378 | 40470-68-6 | C30H26O2 |
Optical Brightening Agent KSN | 368 | 5242-49-9 | C30H22N2O2 |
Optical Brightening Agent VBL | 85 | 12224-16-7 | C36H34N12O8S2Na2 |
Optical Brightening Agent ER-Ⅰ | 199 | 13001-39-3 | C24H16N2 |