Product name: Optical Brightening Agent CBS-L
Structural formula: 
C.I. No.: 351
CAS No.: 27344-41-8
Molecular mass: 562.56
Formula: C28H20O6S2Na2
| Appearance | Greenish Liquid |
| Ionic character | Anion |
| Main content | 20±1% |
| E Value | 250±10 |
| Brightness CIE(Comparing with standard) | ± 1.5 |
| pH Value（1% solution） | 6.5~7.5 |
| Density(20℃±0. 1℃) | 1. 11~ 1. 13g/cm3 |