CAS 27503-81-7 2-Phenylbenzimidazole-5-sulfonic acid-Professional supplier
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Specification of 2-Phenylbenzimidazole-5-sulfonic acid
| Item | Specifications |
| Appearance | White powder |
| Purity | ≥98% |
Basic information of 2-Phenylbenzimidazole-5-sulfonic acid
CAS: 27503-81-7
Standard:Cosmetic grade
Model:SC-ZX
Production Capacity:100MT/month
Loading port: Shanghai
Synonyms:Phenyl Benzimidazole Sulphonic Acid,PBSA,Ensulizole
MF: C13H10N2O3S
Usage of 2-Phenylbenzimidazole-5-sulfonic acid
2-Phenylbenzimidazole-5-sulfonic acid (PBSA) is a classic water-soluble UVB absorber widely approved by global cosmetic regulations. It effectively absorbs ultraviolet rays in the wavelength range of 280~320 nm.
1. Cosmetic Sunscreen Application
It is widely used in aqueous sunscreen lotions, facial toners, essence, transparent gel sunscreen and daily mild skin care products. It can effectively prevent UVB-induced sunburn, skin redness and light aging. It is perfectly compatible with avobenzone and other UVA filters to prepare full-spectrum sunscreen formulas. Its water-soluble property brings refreshing texture, no greasy residue, suitable for oily skin and daily lightweight sun protection.
2. Color Cosmetics & Skincare
Applied in isolation lotion, refreshing foundation, whitening skincare products, providing daily anti-photodamage protection and restraining melanin precipitation.
3. Industrial Field
Used as UV stabilizer for water-based coatings, waterborne polymer materials, to avoid material yellowing and aging under sunlight.
4. Core Advantages
Good water solubility, excellent photostability, low irritation to skin, stable performance under weak acid environment which fits the pH of human skin.
Package Of 2-Phenylbenzimidazole-5-sulfonic acid
25kg/drum or according to the customers’ demand
Storage: Stored in the dry and ventilated inside storeroom, prevent direct sunlight, slightly pile and put down.





