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HomeProduct name list1,2-Dimethylimidazole

1,2-Dimethylimidazole

Synonym(s):1,2-Dimethylimidazole

  • CAS NO.:1739-84-0
  • Empirical Formula: C5H8N2
  • Molecular Weight: 96.13
  • MDL number: MFCD00005294
  • EINECS: 217-101-2
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-08-21 22:41:43
1,2-Dimethylimidazole Structural

What is 1,2-Dimethylimidazole?

Chemical properties

colorless to yellow low melting mass

The Uses of 1,2-Dimethylimidazole

1,2-Dimethylimidazole is used in the synthesis of 1,2-dimethyl-3-n-butylimidazoliumchloride and 1,2-dimethyl-3-n-propylimidazolium chloride. It also can be used in the synthesis of 1-(2-methoxyethyl)-2,3-dimethylimidazolium chloride and hexafluorophosphate salts.

The Uses of 1,2-Dimethylimidazole

1,2-Dimethylimidazole was used in the synthesis of 1,2-dimethyl-3-n-butylimidazoliumchloride and 1,2-dimethyl-3-n-propylimidazolium chloride. It was also used in the synthesis of 1-(2-methoxyethyl)-2,3-dimethylimidazolium chloride and hexafluorophosphate salts.

Definition

ChEBI: 1,2-dimethylimidazole is a member of imidazoles.

General Description

1,2-Dimethylimidazole reacts with copper(II) tetraacetate to yield cis-bis(acetato)bis(1,2-dimethylimidazole) copper(II) complex. It undergoes Menschutkin reaction with benzyl bromide to yield 3-benzyl-1,2-dimethylimidazolium bromide and kinetics of reaction was studied in various ionic liquids and molecular organic solvents.

Flammability and Explosibility

Not classified

Purification Methods

Crystallise the imidazole from *benzene, dry and store it at 0-4o. The picrate crystallises from H2O or EtOH with m 181o. [Balaban & Pymann J Chem Soc 125 1570 1924, Gorun et al. J Am Chem Soc 109 4244 1987, Beilstein 23 H 66, 23 II 56, 23 III/IV 594.]

Properties of 1,2-Dimethylimidazole

Melting point: 37-39 °C (lit.)
Boiling point: 204 °C (lit.)
Density  1.084 g/mL at 25 °C (lit.)
vapor pressure  1 mm Hg ( 20 °C)
refractive index  1.5000 (estimate)
Flash point: 198 °F
storage temp.  Store below +30°C.
form  Low Melting Mass
pka 7.76±0.25(Predicted)
color  Colorless to yellow
Specific Gravity 1.084
PH 12.6 (500g/l, H2O, 20℃)
Water Solubility  Soluble in water.
BRN  108457
CAS DataBase Reference 1739-84-0(CAS DataBase Reference)
NIST Chemistry Reference 1H-Imidazole, 1,2-dimethyl-(1739-84-0)
EPA Substance Registry System 1H-Imidazole, 1,2-dimethyl- (1739-84-0)

Safety information for 1,2-Dimethylimidazole

Signal word Danger
Pictogram(s)
ghs
Corrosion
Corrosives
GHS05
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H302:Acute toxicity,oral
H315:Skin corrosion/irritation
H318:Serious eye damage/eye irritation
Precautionary Statement Codes P280:Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for 1,2-Dimethylimidazole

InChIKey GIWQSPITLQVMSG-UHFFFAOYSA-N

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