Merck
CN
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文件

199885

Sigma-Aldrich

4-甲基-1H-咪唑

98%

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别名:
1H-4-Methylimidazole, 4(or 5)-Methylimidazole, 4-Methyl-1H-imidazole, 4-Methylimidazole, 5-Methyl-1H-imidazole, 5-Methylimidazole
经验公式（希尔记法）:
C4H6N2
CAS号:
822-36-6
分子量:
82.10
Beilstein:
1453
EC 号:
212-497-3
MDL编号:
MFCD00005201
PubChem化学物质编号:
24851942
NACRES:
NA.22

质量水平

100

检测方案

98%

bp

263 °C (lit.)

mp

44-47 °C (lit.)

溶解性

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

SMILES string

Cc1c[nH]cn1

InChI

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

InChI key

XLSZMDLNRCVEIJ-UHFFFAOYSA-N

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相关类别

一般描述

采用GC-MS 法对咖啡中的 4 (5)-甲基咪唑进行定量 。

象形图

CorrosionExclamation mark
GHS05,GHS07

警示用语：

Danger

危险声明

H302 + H312 - H314

危险分类

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

储存分类代码

8A - Combustible, corrosive hazardous materials

WGK

WGK 2

闪点(°F)

314.6 °F - closed cup

闪点(°C)

157 °C - closed cup

个人防护装备

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

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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
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
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
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
Eric D Watt et al.
Biophysical journal, 101(2), 411-420 (2011-07-20)
Rate-limiting millisecond motions in wild-type (WT) Ribonuclease A (RNase A) are modulated by histidine 48. Here, we incorporate an unnatural amino acid, thia-methylimidazole, at this site (H48C-4MI) to investigate the effects of a single residue on protein motions over multiple
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