2-Ethyl-4-methylimidazole
Synonym(s):EMI-2,4
- CAS NO.：931-36-2
- Empirical Formula: C6H10N2
- Molecular Weight: 110.16
- MDL number: MFCD00005193
- EINECS: 213-234-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:13:40
What is 2-Ethyl-4-methylimidazole?
Chemical properties
clear yellow viscous liquid after melting
The Uses of 2-Ethyl-4-methylimidazole
2-Ethyl-4-methylimidazole can be used as a:
- cross-linker for epoxy resins to synthesize network polymers with improved thermal resistance and physical properties.
- curing agent for polysiloxane episulfide resin (PSER).
- catalyst to promote curing of blends of hyperbranched aromatic epoxy polymer and bisphenol F diglycidyl ether.
The Uses of 2-Ethyl-4-methylimidazole
Curing epoxy-resin systems.
Definition
ChEBI: 5K8XI641G3 is a member of imidazoles.
What are the applications of Application
2-Ethyl-4-methylimidazole is an important synthetic intermediate. It is used as an intermediate in pharmaceuticals, agrochemicals, dyes, textile auxiliaries, pigments and other organic chemicals. It can be used as a basic ingredient in other active ingredients, as a catalyst in chemical reactions, and in the curing of epoxy resins.
Preparation
2-Ethyl-4-methylimidazole was prepared as follows: diamine and propionitrile have a cyclization reaction sequentially at the temperature of 80-110 DEG C and 120-140 DEG C under the catalysis of a catalyst; a product after the cyclization reaction has a dehydrogenation reaction through raney nickel at the temperature of 170-200 DEG C, and 2-ethyl-4-methylimidazole is obtained.
Flammability and Explosibility
Non flammable
Properties of 2-Ethyl-4-methylimidazole
| Melting point: | 47-54 °C (lit.) |
| Boiling point: | 292-295 °C (lit.) |
| Density | 0.975 g/mL at 25 °C (lit.) |
| vapor pressure | 0.028Pa at 20℃ |
| refractive index | n |
| Flash point: | 280 °F |
| storage temp. | Inert atmosphere,Room Temperature |
| form | powder to lump to clear liquid |
| pka | 15.32±0.10(Predicted) |
| Specific Gravity | 0.975 |
| color | White or Colorless to Yellow to Orange |
| Water Solubility | 210 g/L (20 ºC) |
| BRN | 1711 |
| CAS DataBase Reference | 931-36-2(CAS DataBase Reference) |
| NIST Chemistry Reference | 1H-Imidazole, 2-ethyl-4-methyl-(931-36-2) |
| EPA Substance Registry System | 2-Ethyl-4-methylimidazole (931-36-2) |
Safety information for 2-Ethyl-4-methylimidazole
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H318:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for 2-Ethyl-4-methylimidazole
| InChIKey | ULKLGIFJWFIQFF-UHFFFAOYSA-N |
2-Ethyl-4-methylimidazole manufacturer
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