ChemicalBook--->CAS DataBase List--->27503-81-7

27503-81-7

27503-81-7 Structure

27503-81-7 Structure
IdentificationMore
[Name]

2-Phenylbenzimidazole-5-sulfonic acid
[CAS]

27503-81-7
[Synonyms]

2-PHENYL-1H-BENZO[D]IMIDAZOLE-5-SULFONIC ACID
2-PHENYL-1H-BENZOIMIDAZOLE-5-SULFONIC ACID
2-PHENYL-5-BENZIMIDAZOLESULFONIC ACID
2-PHENYLBENZIMIDAZOL-5-SULFONIC ACID
2-PHENYLBENZIMIDAZOLE-5-SULFONIC ACID
EUSOLEX 232
LABOTEST-BB LT00454150
NEO HELIOPAN HYDRO
PARSOL HS
PHENYLBENZIMIDAZOLE SULFONIC ACID
1H-Benzimidazole-5-sulfonicacid,2-phenyl-
2-Phenyl-1H-benimidazole,sulfonicacid
2-phenyl-1h-benzimidazole-5-sulfonicaci
Novantisol
Ultraviolet absorbent UV-T
2-phenyl-1H-benzimidazole-5-sulphonic acid
2-Phenylbenzimidazole-5-Sulfonic Acid(UV-T)
2-Phenyl-1H-benzo[d]imidazole-5-sulphonic acid
PHENYLBENZIMIDAZOLE-5-SULFONIC ACID
UV ABSORBER-T
[EINECS(EC#)]

248-502-0
[Molecular Formula]

C13H10N2O3S
[MDL Number]

MFCD00053007
[Molecular Weight]

274.3
[MOL File]

27503-81-7.mol
Chemical PropertiesBack Directory
[Appearance]

white fine crystalline powder
[Melting point ]

>300 °C (lit.)
[density ]

1.3592 (rough estimate)
[refractive index ]

1.6360 (estimate)
[storage temp. ]

2-8°C
[solubility ]

ethanol and water: soluble ((as sodium salt))
[form ]

Fine Crystalline Powder
[pka]

-0.87±0.40(Predicted)
[color ]

White
[Water Solubility ]

soluble
[Merck ]

3593
[BRN ]

922664
[InChIKey]

UVCJGUGAGLDPAA-UHFFFAOYSA-N
[LogP]

-1.42 at 25℃
[Uses]

phenylbenzimidazole sulfonic acid (2-phenyl-5-benzimidazolesulfonic acid; 2-phenylbenzimidazole-5-sulfonic acid, ensulizole) is one of 21 FDA-approved sunscreen chemicals for uVB absorption. It has an approved usage level of up to 4 percent in the united States and up to 8 percent in the european union. When combined with a proper base, it becomes a water-soluble sunscreen. It exhibits a very effective use level versus SPF relationship when compared to other sunscreen chemicals. In addition, when combined with other uVB absorbers, it seems to significantly boost SPF. It can also help protect a product from deterioration when exposed to uV light. Also considered excellent for use in clear sunscreen gels.
[CAS DataBase Reference]

27503-81-7(CAS DataBase Reference)
[EPA Substance Registry System]

27503-81-7(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

Xi,C
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
[WGK Germany ]

3
[TSCA ]

Yes
[HS Code ]

29339990
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

2-Phenyl-1H-benzo[d]imidazole-5-sulfonic acid(27503-81-7).msds
Hazard InformationBack Directory
[Chemical Properties]

white fine crystalline powder
[Definition]

ChEBI: Ensulizole is a member of benzimidazoles.
[General Description]

2-Phenyl-5-benzimidazolesulfonic acid has been reported as a UV filter and its removal from aerobically treated gray water by ozonation and adsorption onto activated carbon has been reported. It is a xenobiotic compound detected in gray water from houses and effluents of the biological treatment systems (aerobic, anaerobic, and combined anaerobic+aerobic).
[Flammability and Explosibility]

Nonflammable
Spectrum DetailBack Directory
[Spectrum Detail]

2-Phenylbenzimidazole-5-sulfonic acid(27503-81-7)IR1
2-Phenylbenzimidazole-5-sulfonic acid(27503-81-7)IR2
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

2-Phenylbenzimidazole-5-sulfonic acid, 98%(27503-81-7)
[Alfa Aesar]

2-Phenylbenzimidazole-5-sulfonic acid monohydrate, 98%(27503-81-7)
[Sigma Aldrich]

27503-81-7(sigmaaldrich)
[TCI AMERICA]

2-Phenyl-5-benzimidazolesulfonic Acid,>95.0%(T)(27503-81-7)
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