27503-81-7
Ultraviolet absorbent UV-T
CAS: 27503-81-7
Molecular Formula: C13H10N2O3S
27503-81-7 - Names and Identifiers
| Name | Ultraviolet absorbent UV-T |
| Synonyms | UV-T Novantisol UV absorber-T Ultraviolet absorbent UV-T 2-phenyl-1H-benzimidazole-6-sulfonate 2-Phenyl-1H-benimidazole,sulfonicacid 2-Phenylbenzimidazole-5-sulfonic acid 2-phenyl-1h-benzimidazole-5-sulfonicaci 2-phenyl-1H-benzimidazole-6-sulfonic acid 2-phenyl-1H-benzimidazole-5-sulphonic acid 2-Phenylbenzimidazole-5-Sulfonic Acid(UV-T) 2-phenyl-1h-benzo[d]imidazole-5-sulfonic acid 2-Phenyl-1H-benzo[d]imidazole-5-sulphonic acid |
| CAS | 27503-81-7 |
| EINECS | 248-502-0 |
| InChI | InChI=1/C13H10N2O3S/c16-19(17,18)10-6-7-11-12(8-10)15-13(14-11)9-4-2-1-3-5-9/h1-8H,(H,14,15)(H,16,17,18)/p-1 |
| InChIKey | UVCJGUGAGLDPAA-UHFFFAOYSA-N |
27503-81-7 - Physico-chemical Properties
| Molecular Formula | C13H10N2O3S |
| Molar Mass | 274.3 |
| Density | 1.3592 (rough estimate) |
| Melting Point | >300 °C (lit.) |
| Water Solubility | soluble |
| Solubility | ethanol and water: soluble ((as sodium salt)) |
| Appearance | White crystal |
| Color | White |
| Merck | 14,3593 |
| BRN | 922664 |
| pKa | -0.87±0.40(Predicted) |
| Storage Condition | 2-8°C |
| Refractive Index | 1.6360 (estimate) |
| MDL | MFCD00053007 |
| Physical and Chemical Properties | Melting point 300°C water-soluble soluble |
| Use | Used as ultraviolet absorber, mainly used in cosmetics |
| In vitro study | At 4.0 mM [H 2 O 2 ] 0 , a complete removal of 40.0 μM parent PBSA and 25% decrease in TOC are achieved with 190 min of UV irradiation. |
27503-81-7 - Risk and Safety
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | 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 |
27503-81-7 - Reference Information
| LogP | -1.42 at 25℃ |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| biological activity | Ensulizole (PBSA) is a water-soluble sunscreen component, a sulfonated UV absorber, which is characterized by strong absorption of UVB and partial absorption of UVA. Ensulizole can destroy DNA by the generation of reactive oxygen species (ROS) under ultraviolet light or sunlight. |
| Target | Value |
| use | used as ultraviolet absorber, mainly used in cosmetics water-soluble UV-B absorber, adding to the aqueous phase can increase SPF value |
Last Update：2024-04-09 21:04:16
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