| Identification | |
| Name: | 1H-Benzimidazole-2-sulfonicacid |
| Synonyms: | 2-Benzimidazolesulfonicacid (6CI,7CI);1H-Benzimidazole-2-sulfonic acid;1H-benzo[d]imidazole-2-sulfonic acid;benzimidazole-2-sulfonic acid; |
| CAS: | 40828-54-4 |
| Molecular Formula: | C7H6N2O3S |
| Molecular Weight: | 198.2 |
| InChI: | InChI=1/C7H6N2O3S/c10-13(11,12)7-8-5-3-1-2-4-6(5)9-7/h1-4H,(H,8,9)(H,10,11,12) |
| Molecular Structure: | ![(C7H6N2O3S) 2-Benzimidazolesulfonicacid (6CI,7CI);1H-Benzimidazole-2-sulfonic acid;1H-benzo[d]imidazole-2-sulfon...](https://img1.guidechem.com/chem/e/dict/60/40828-54-4.jpg) |
| Properties | |
| Transport: | UN 3261 8/PG 2 |
| Melting Point: | 116-119 °C(lit.) |
| Density: | 1.681g/cm3 |
| Refractive index: | 1.716 |
| Appearance: | white to light beige crystalline powder |
| Safety Data | |
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