UV Absorber Bp-9 CAS Number 76656-36-5

• CAS No.: 76656-36-5
• Formula: C15h12na2o11s2
• EINECS: 278-520-4
• Color: Yellow
• Kind: UV Absorber
• Appearance: Powder
• Model NO.: CAS Number 76656-36-5
• Storing: Under Tight and Light-Resistant Condition
• Transport Package: 25kg Drum
• Specification: powder
• Trademark: DEBORN
• Origin: China

Product Description

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%.

Package and storage 

1. 25kg drum
2. Preserve under tight and light-resistant condition.

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