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Product name: Ultraviolet absorbent UV-T 2-PHENYL-1H-BENZIMIDAZOLE-5-SULPHONIC ACID

Abbreviation:PBSA

CAS RN: 27503-81-7

EINECS: 248-502-0

Molecular formula: C₁₃H₉N₂O₃S

Usage: Due to its chemical properties, 2-phenylbenzimidazole-5-sulfonic acid is mainly used in daily skincare products such as sunscreen to prevent skin aging caused by ultraviolet radiation. It can also be used in water-based coatings, dyes, and washing products. Water soluble UV-B absorbent, added in the aqueous phase, can increase the SPF value.