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UV Absorber BP-9 CAS NO.: 57834-33-0

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%.


Product Detail

Product Tags

Chemical name: 2,2′-Dihydroxy-4,4′-Dimethoxybenzophenone-5, 5′ –Sodium Sulfonate

Synonyms3,3’-carbonylbis[4-hydroxy-6-methoxy-benzenesulfonicacidisodiumsalt

Molecular Formula  C15H12Na2O11S2

Molecular Weight   478.36

Structure

 11

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.


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