Phenylbenzimidazole sulfonic acid

2-Phenyl-1H-benzimidazole-5-sulphonic acid , PARSOL HS;Novantisol;Ensulizole;EUSOLEX 232;UV ABSORBER-T;UV absorber UV-T;NEO HELIOPAN HYDRO;LABOTEST-BB LT00454150;Ultraviolet absorbent UV-T;2-Phenyl-5-sulfobenzimidazole CAS Number: 27503-81-7