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Merck

199885

4(5)-Methylimidazole

98%

Synonym(s):

1H-4-Methylimidazole, 4(or 5)-Methylimidazole, 4-Methyl-1H-imidazole, 4-Methylimidazole, 5-Methyl-1H-imidazole, 5-Methylimidazole

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About This Item

Empirical Formula (Hill Notation):
C4H6N2
CAS Number:
822-36-6
Molecular Weight:
82.10
UNSPSC Code:
12352005
NACRES:
NA.22
PubChem Substance ID:
24851942
EC Number:
212-497-3
Beilstein/REAXYS Number:
1453
MDL number:
MFCD00005201

Product Name

4(5)-Methylimidazole, 98%

assay

98%

InChI key

XLSZMDLNRCVEIJ-UHFFFAOYSA-N

InChI

1S/C4H6N2/c1-4-2-5-3-6-4/h2-3H,1H3,(H,5,6)

SMILES string

Cc1c[nH]cn1

bp

263 °C (lit.)

mp

44-47 °C (lit.)

solubility

H2O: soluble, clear, colorless to yellow (50 mg/mL)

Quality Level

100

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General description

4(5)-Methylimidazole was quantified in coffee by GC-MS method.

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Skin Corr. 1B

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 2

flash_point_f

314.6 °F - closed cup

flash_point_c

157 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificates of Analysis (COA)

Lot/Batch Number
WXBD3882V
WXBD2731V
MKCK3992
MKBV5083V
MKBN5017V

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Shinji Hashimoto et al.
Biochemistry, 45(32), 9660-9667 (2006-08-09)
Ultraviolet resonance Raman (UVRR) spectroscopy has been used to characterize the structure and hydrogen bonding state of the distal histidine (His42) in horseradish peroxidase (HRP) complexed with carbon monoxide (HRP-CO). The HRP-CO - HRP UVRR difference spectrum in D(2)O solution
P C Chan et al.
Archives of toxicology, 82(1), 45-53 (2007-07-11)
4-Methylimidazole (4MI) is used in the manufacture of pharmaceuticals, photographic chemicals, dyes and pigments, cleaning and agricultural chemicals, and rubber. It has been identified as a by-product of fermentation in foods and has been detected in mainstream and side stream
Ileana Elder et al.
Archives of biochemistry and biophysics, 437(1), 106-114 (2005-04-12)
In the site-specific mutant of human carbonic anhydrase in which the proton shuttle His64 is replaced with alanine, H64A HCA II, catalysis can be activated in a saturable manner by the proton donor 4-methylimidazole (4-MI). From 1H NMR relaxivities, we
Satoshi Ueda et al.
Journal of the American Chemical Society, 134(1), 700-706 (2011-12-01)
The completely N(1)-selective Pd-catalyzed arylation of unsymmetric imidazoles with aryl halides and triflates is described. This study showed that imidazoles have a strong inhibitory effect on the in situ formation of the catalytically active Pd(0)-ligand complex. The efficacy of the
Kwang-Geun Lee et al.
Food chemistry, 136(3-4), 1165-1168 (2012-12-01)
Aqueous caramel model systems consisted the D-glucose/NH(3)/sulphite were heated at 100°C for 2 h and amounts of carcinogenic 4(5)-methylimidazole (4-MI) formed were determined. The amount formed ranged from 7.0 to 155.0 ppm. A system with 0.1 M sulphite yielded the
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