Introduction：Basic information about CAS 40828-54-4|1h-benzimidazole-2-sulfonic acid, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 1h-benzimidazole-2-sulfonic acid |
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| CAS Number | 40828-54-4 | Molecular Weight | 198.19900 |
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| Density | 1.681g/cm3 | Boiling Point | / |
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| Molecular Formula | C7H6N2O3S | Melting Point | 116-119 °C(lit.) |
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| MSDS | Chinese | Flash Point | / |
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Names
| Name | 1h-benzimidazole-2-sulfonic acid |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.681g/cm3 |
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| Melting Point | 116-119 °C(lit.) |
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| Molecular Formula | C7H6N2O3S |
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| Molecular Weight | 198.19900 |
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| Exact Mass | 198.01000 |
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| PSA | 91.43000 |
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| LogP | 1.89040 |
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| Index of Refraction | 1.716 |
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| InChIKey | GWXQTTKUYBEZBP-UHFFFAOYSA-N |
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| SMILES | O=S(=O)(O)c1nc2ccccc2[nH]1 |
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Safety Information
| Hazard Codes | C |
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| Risk Phrases | R34 |
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| Safety Phrases | S26-S36/37/39-S45 |
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| RIDADR | UN 3261 8/PG 2 |
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| WGK Germany | 3 |
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| Hazard Class | 8.0 |
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| HS Code | 2933990090 |
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Customs
| HS Code | 2933990090 |
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| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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Synonyms
| 1H-benzimidazol-2-sulphonic acid |
| 1H-Benzoimidazole-2-sulfonic acid |
| Benzimidazol-2-ylsulfonic acid |
| MFCD00100972 |
| benzimidazole-2-sulfonic acid |
| 1H-Benzimidazole-2-sulfonicacid |
| Rabeprazole Impurity 20 |
