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: 2024-11-04 13:44:46

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	n20/D 1.5(lit.)
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.