Chemical name: 2,2'-Dihydroxy-4,4'-Dimethoxybenzophenone-5, 5' –Sodium Sulfonate
Synonyms：3,3’-carbonylbis[4-hydroxy-6-methoxy-benzenesulfonicacidisodiumsalt
Molecular Formula C15H12Na2O11S2
Molecular Weight 478.36
Structure
CAS Number 76656-36-5
Specification
Appearance:Bright yellow crystalline powder
Gardner Color:≤6.0
Assay:≥85.0%or≥65.0%
Chromatographic Purity:≥98.0%
Odor:Similar in character and intensity to standrad,very slight solvent odor
K-value(in water at 330 nm):≥16.0
Solubility:(5g/100ml water at 25 deg C) Clear solution, free from insoluble
Applications:
This product is a water-soluble ultraviolet radiation-absorbing agent with a wide spectrum and the maximum light-absorbing wavelength of 288nm.It has the advantages of high absorbing efficiency, no toxicity, and no allergy-causing and no deformity-causing side effects, good lights stability and heat stability etc. Moreover it can absorb UV-A and UV-B, being class I sun protection agent, added in cosmetics with the dosage of 5-8%.
Packing and Storage:
Package: 25KG/CARTON
Storage: Stable in property, keep ventilation and away from water and high temperature.
