2,2'-([1,1'-Biphenyl]-4,4'-diyldi-2,1-ethenediyl)bis-benzenesulfonic acid disodium salt; Brightener BR 49;

Optical Brightener Odyssey CBS-X is mainly used in increasing whiteness of detergent, soap and extensively used in synthetic washing powder, especially suitable for liquid detergent. It can also be used directly in whiting cotton, silk, woven, and paper etc.
CBS-X has perfect durability against chlorine/oxygen bleaching, strong whitening strength, and good solubility in water under low temperature.

Molecular Formula:    C₂₈H₂₀O₆ S₂Na₂
Molecular Weight:       562.6
CAS No.:                       27344-41-8
Appearance:                Yellowish or Yellowish Green Crystal Powder
Max. Absorption Wavelength:    348-350nm
Active Content:             100%
Extinction Index:           1105-1181(E1%/cm)
Ironic character:           Anion