1H-2-Methylbenzimidazole
2-Methylbenzimidazole
CAS: 615-15-6
Molecular Formula: C8H8N2
1H-2-Methylbenzimidazole - Names and Identifiers
| Name | 2-Methylbenzimidazole |
| Synonyms | AKOS 90363 2-METHYLBENZIMIDAZOLE 2-Methylbenzimidazole 2-methyl-benzimidazol 1H-2-Methylbenzimidazol 2-methyl-1h-benzimidazol 1H-2-Methylbenzimidazole 2-methyl-1H-benzimidazole 2-METHYL-1H-BENZIMIDAZOLE 2-METHYL-1H-BENZO[D]IMIDAZOLE |
| CAS | 615-15-6 |
| EINECS | 210-411-9 |
| InChI | InChI=1/C8H8N2/c1-6-9-7-4-2-3-5-8(7)10-6/h2-5H,1H3,(H,9,10) |
| InChIKey | LDZYRENCLPUXAX-UHFFFAOYSA-N |
1H-2-Methylbenzimidazole - Physico-chemical Properties
| Molecular Formula | C8H8N2 |
| Molar Mass | 132.16 |
| Density | 1.1083 (rough estimate) |
| Melting Point | 175-177 °C (lit.) |
| Boling Point | 234.08°C (rough estimate) |
| Flash Point | 184.5°C |
| Water Solubility | slightly soluble |
| Solubility | DMSO (Slightly), Methanol (Slightly) |
| Vapor Presure | 0.000181mmHg at 25°C |
| Appearance | Bright light brown to brown crystals |
| Color | Light beige to brown |
| BRN | 112264 |
| pKa | 6.19(at 25℃) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.6013 (estimate) |
| MDL | MFCD00005598 |
| Physical and Chemical Properties | Needle-like crystals. Melting point 176-177 °c. Soluble in alcohol, ether, hot water and sodium hydroxide solution, insoluble in benzene. |
| Use | For pharmaceutical intermediates |
1H-2-Methylbenzimidazole - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R22 - Harmful if swallowed R37/38 - Irritating to respiratory system and skin. R41 - Risk of serious damage to eyes R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S39 - Wear eye / face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S44 - |
| WGK Germany | 3 |
| RTECS | DD9100000 |
| TSCA | Yes |
| HS Code | 29339990 |
1H-2-Methylbenzimidazole - Introduction
Slightly soluble in water, soluble in ethanol and ether.
Last Update：2022-10-16 17:27:08
1H-2-Methylbenzimidazole - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | for organic synthesis. for pharmaceutical intermediates |
| production method | consists of O-Phenylenediamine and acetic acid. The mixture of O-Phenylenediamine and acetic acid was heated at 100 ° C. For 2H, cooled, and 10% sodium hydroxide solution was slowly added to make the mixture just alkaline. Filter and wash with cold water. The crude product is recrystallized with water, and the activated carbon is decolorized to obtain the finished product. The yield was 68%. |
Last Update：2024-04-09 20:52:54
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