2-Methylimidazole

CAS No. 693-98-1

Formula: C4H6N2
Basic Info

2-Methylimidazole is an organic compound that is structurally related to imidazole with the chemical formula CH3C3H2N2H. It is a white or colorless solid that is highly soluble in polar organic solvents. It is a precursor to a range of drugs and is a ligand in coordination chemistry.

Formula
C4H6N2
Molecular Weight
82.1038
Exact Mass
82.0531
LogP
0.7181
PSA
28.68
Synonyms

Actiron 2MI

2MZ

Denka CN 25

2-methyl-imidazole

2MI

Curezol 2MZ

2MZ-PW

1H-Imidazole, 2-methyl-

Epikure MI 2

2MZ-H

Epicure MI 2

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Properties
Appearance & Physical State
Clear to yellow solid
Density
1.062 g/cm3
Boiling Point
267-268ºC
Melting Point
142-145ºC
Flash Point
155ºC
Refractive Index
1.523
Storage Condition
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Vapor Pressure
<1 mm Hg ( 0 °C)
Safety Info
RTECS
NI7175000
Safety Statements
S25-S36/37/39-S45
WGK Germany
2
Risk Statements
R22; R34
HS Code
2933290090
RIDADR
UN 3259 8/PG 2
Hazard Class
8
Packing Group
III
Caution Statement
P201; P280; P303 + P361 + P353; P304 + P340 + P310; P305 + P351 + P338; P308 + P313
Hazard Codes
Hazard Declaration
Spectrum
NMR Spectrum 1H NMR : 90 MHz in CDCl3
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IR Spectrum IR : KBr disc
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Mass Spectrum Mass spectrum (electron ionization)
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UV Spectrum UV/Visible spectrum
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Analysis Methods
Kovats' RI, non-polar column, isothermal
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Column Shape
Capillary
Active Phase(℃)
OV-101
Retention index
1050.
Temperature Control
110.
Method
isothermal
Comments
50. m/0.3 mm/0.4 μm, He
Reference
Zhuravleva, I.L.Evaluation of the polarity and boiling points of nitrogen-containing heterocyclic compounds by gas chromatographyRuss. Chem. Bull. (Engl. Transl.)2000, 49, 2, 325-328.
Kovats' RI, non-polar column, isothermal
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Column Shape
Capillary
Active Phase(℃)
OV-101
Retention index
1050.
Temperature Control
150.
Method
isothermal
Comments
30. m/0.30 mm/0.20 μm
Reference
Golovnya, R.V.Zhuravleva, I.L.Sal'kova, M.A.Prediction of Retention Indexes of Alkylimadazoles Under Conditions of Capillary Gas ChromatographyJ. Anal. Chem. USSR (Engl. Transl.)1992, 7, 932-937.
Normal alkane RI, polar column, temperature ramp
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Column Shape
Capillary
Active Phase(℃)
DB-Wax
Retention index
2146.
Temperature Control
Method
temperature ramp
Comments
He, 70. C @ 8. min, 2. K/min; Column length: 30. m; Column diameter: 0.25 mm; T<sub>end</sub>: 160. C
Reference
Wong, J.M.Bernhard, R.A.Effect of nitrogen source on pyrazine formationJ. Agric. Food Chem.1988, 36, 1, 123-129.

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