Disodium distyrylbiphenyl disulfonate
Time:2012-10-01 09:26:42,Count:0
Characteristics    excellent UV absorbing, dispersing, emulsifying abilities. Blue shade. Resistant to chlorine bleach, oxygen bleach. Resistant to acid, alkali.
Note    (1), Avoid using in children products, such as makeup.
Synthesis
Refer to:
NIU Yu-lan, XUE Xiao-li, CHEN Zhi-min. Improvement of synthesis of fluorescent whitening agent CBS. China Surfactant Detergent & Cosmetics, 2003, 33(3): 197-199, etc.
Quality Standards & Test Methods
1. Physical and chemical indexes
Item
Physical and chemical indexes
Solid
Actives, %, ≥
95.0
Test Methods
(1), Actives
 
2. Hazardous substances indexes
Item
Hazardous substances indexes
Solid
Heavy metals (as Pb), mg/Kg, ≤
20
As, mg/Kg, ≤
3
Test Methods
(1), Heavy metals (as Pb)
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30799 The test method of food detergents - Determination of heavy metals