1632-83-3
1-methylbenzimidazole
CAS: 1632-83-3
Molecular Formula: C8H8N2
1632-83-3 - Names and Identifiers
| Name | 1-methylbenzimidazole |
| Synonyms | NSC 42115 1-methylbenzimidazole N-Methylbenzimidazole 1-METHYLBENZIMIDAZOLE 1-Methyl-1H-benzimidazole 1-METHYL-1H-BENZIMIDAZOLE 1H-Benzimidazole, 1-methyl- 1-Methyl-1H-benzo[d]iMidazole 1H-Benzimidazole,1-methyl-(9CI) |
| CAS | 1632-83-3 |
| EINECS | 605-321-5 |
| InChI | InChI=1/C8H8N2/c1-10-6-9-7-4-2-3-5-8(7)10/h2-6H,1H3 |
1632-83-3 - Physico-chemical Properties
| Molecular Formula | C8H8N2 |
| Molar Mass | 132.16 |
| Density | 1.1254 |
| Melting Point | 59-62°C(lit.) |
| Boling Point | 154°C12mm Hg(lit.) |
| Flash Point | 154°C/12mm |
| Solubility | Soluble in methanol. |
| Vapor Presure | 0.0164mmHg at 25°C |
| Appearance | Solid |
| Color | White to pink |
| Maximum wavelength(λmax) | ['277nm(H2O)(lit.)'] |
| pKa | 5.40±0.10(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Sensitive | Sensitive to heat and air |
| Refractive Index | 1.6013 |
| MDL | MFCD00192275 |
1632-83-3 - 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 |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/39 - |
| WGK Germany | 3 |
| HS Code | 29339980 |
1632-83-3 - Introduction
1-methylbenzimidazole(1-methylbenzimidazole) is an organic compound with the chemical formula C8H8N2. It is a white crystal or crystalline powder, soluble in ethanol, ether and Ester solvents.
1-methylbenzimidazole has many important properties and uses. First, it is a highly efficient associative agent and is widely used in the pharmaceutical and dye industries. It can form stable complexes with metals, so it is often used as a ligand for metal ions. In addition, 1-methylbenzimidazole also has good antibacterial and antioxidant properties, so it is widely used in health products and food additives.
There are various methods for preparing 1-methylbenzimidazole. One common method is by the reaction of dihydroxybenzene and formaldehyde in the presence of hydrochloric acid. The reaction steps include a condensation reaction of formaldehyde and a subsequent epoxidation reaction. During the preparation process, attention should be paid to the safe operation of reaction conditions and chemicals.
When using 1-methylbenzimidazole, you need to pay attention to the following safety information:
1.1-methylbenzimidazole is a chemical and should be kept away from children and placed in a cool, dry place.
2. When handling 1-methylbenzimidazole, you should wear appropriate personal protective equipment, such as gloves and protective glasses, to prevent contact and inhalation.
3. Avoid contacting 1-methylbenzimidazole with oxidants and strong acids to avoid dangerous substances.
4. If accidentally inhaled or exposed to 1-methylbenzimidazole, rinse immediately with water and seek medical help.
1-methylbenzimidazole has many important properties and uses. First, it is a highly efficient associative agent and is widely used in the pharmaceutical and dye industries. It can form stable complexes with metals, so it is often used as a ligand for metal ions. In addition, 1-methylbenzimidazole also has good antibacterial and antioxidant properties, so it is widely used in health products and food additives.
There are various methods for preparing 1-methylbenzimidazole. One common method is by the reaction of dihydroxybenzene and formaldehyde in the presence of hydrochloric acid. The reaction steps include a condensation reaction of formaldehyde and a subsequent epoxidation reaction. During the preparation process, attention should be paid to the safe operation of reaction conditions and chemicals.
When using 1-methylbenzimidazole, you need to pay attention to the following safety information:
1.1-methylbenzimidazole is a chemical and should be kept away from children and placed in a cool, dry place.
2. When handling 1-methylbenzimidazole, you should wear appropriate personal protective equipment, such as gloves and protective glasses, to prevent contact and inhalation.
3. Avoid contacting 1-methylbenzimidazole with oxidants and strong acids to avoid dangerous substances.
4. If accidentally inhaled or exposed to 1-methylbenzimidazole, rinse immediately with water and seek medical help.
Last Update：2024-04-09 21:21:28
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