2-Methyl imidazole 2-methyl-1H-imidazole 693-98-1
Product Name: | 2-Methylimidazole |
Synonyms: | 1H-Imidazole,2-methyl-;2-methyl-1h-imidazol;2-methyl-imidazol;2MZ;1H-2-MethyliMidazole;2MZ-H;2MZ-PW;Actiron 2MI |
CAS: | 693-98-1 |
MF: | C4H6N2 |
MW: | 82.1 |
EINECS: | 211-765-7 |
Product Categories: | Physisorption;Pharmaceutical intermediates;Alternative Energy;Materials for Hydrogen Storage;Cross-linker and Accelerator;Pyridines;Imidazol&Benzimidazole;Imidaxoles;Metal Organic Frameworks (MOFs);Organic Linker Molecules;Building Blocks;Chemical Synthesis;Heterocyclic Building Blocks;Materials Science;Imidazoles;Heterocyclic Compounds;693-98-1;bc0001 |
Mol File: | 693-98-1.mol |
2-Methylimidazole Chemical Properties |
Melting point | 142-143 °C (lit.) |
Boiling point | 267-268 °C (lit.) |
density | 1.0500 (rough estimate) |
bulk density | 550kg/m3 |
vapor pressure | <1 mm Hg ( 0 °C) |
refractive index | 1.4970 (estimate) |
Fp | 155 °C |
storage temp. | 2-8°C |
solubility | 780g/l |
pka | 14.44±0.10(Predicted) |
form | Crystalline Powder |
color | White to light yellow |
PH Range | 10.5 |
PH | 10.5-11.5 (100g/l, H2O, 20℃) |
Water Solubility | Soluble in water and ethanol. |
BRN | 1368 |
InChIKey | LXBGSDVWAMZHDD-UHFFFAOYSA-N |
LogP | 0.22 at 25℃ |
CAS DataBase Reference | 693-98-1(CAS DataBase Reference) |
NIST Chemistry Reference | 1H-Imidazole, 2-methyl-(693-98-1) |
IARC | 2B (Vol. 101) 2013 |
EPA Substance Registry System | 2-Methylimidazole (693-98-1) |
Safety Information |
Hazard Codes | C |
Risk Statements | 22-34 |
Safety Statements | 26-36/37/39-45-25 |
RIDADR | UN 3259 8/PG 2 |
WGK Germany | 2 |
RTECS | NI7175000 |
Autoignition Temperature | >600 °C DIN 51794 |
Hazard Note | Harmful/Corrosive |
TSCA | Yes |
HazardClass | 8 |
PackingGroup | III |
HS Code | 29332990 |
Hazardous Substances Data | 693-98-1(Hazardous Substances Data) |
Toxicity | LD50 orally in Rabbit: 1500 mg/kg |
2-Methylimidazole Usage And Synthesis |
Detection method | Fluorescence detection method: Using o-phenylenediamine as the carbon source and phytic acid as the phosphorus source, two P-rich carbon quantum dots RCD and BCD were successfully synthesized by changing the reaction temperature and time of the hydrothermal method. The study found that the red-emitting RCD can achieve sensitive detection of 2-Methylimidazole, while 2-methylimidazole has no obvious quenching effect on the blue-emitting BCD, which makes RCD a sensitive, fast and selective fluorescence sensor for 2-methylimidazole detection. Under the optimal experimental conditions, the fluorescence intensity of RCDs decreases with the increase of 2-methylimidazole concentration; the carbon quantum dot sensor shows a good linear relationship in the detection of 2-methylimidazole concentration in the range of 5 ~ 110 µM, and the minimum detection limit is 0.61 µM (S/N = 3). The sensor can detect 2-methylimidazole in lake water and can be used for the detection of actual samples[2]. |
Chemical Properties | 2-Methylimidazole is a white to light yellow crystalline powder with an amine-like odor. It is highly soluble in polar organic solvents. Insoluble in ether and cold benzene, easily soluble in water, alcohols and ketones. Irritating to skin and mucous membranes. Mice orally LD50 1400mg/kg. |
Chemical Properties | The 2-methylimidazole molecule is approximately planar, and the maximum deviation of all non-H atoms from the plane of the least squares imidazole is 0.006(2)?. N–H··· N hydrogen bonds link molecules together to form infinite chains of hydrogen bond pattern C(4). The crystal of 2-methylimidazole is in orthorhombic crystal system with space group P212121 (Z = 4), lattice parameters: a = 5.9957(12) ?, b = 8.1574(16) ? and c = 9.7010(19) ?, V = 474.47(16) ?[1]. |
Uses | 2-Methylimidazole is a monomethylated imidazole that can be used as a building block in the preparation of a wide range of biologically active compounds. 2-Methylimidazole as well as other imidazoles can be use as catalyst for refolding of enhanced coloured fluorescent protein. 2-Methylimidazole has been identified as a byproduct of fermentation and is detected in foods and mainstream and side-str eam tobacco smoke. |
Uses | 2-Methylimidazole is used as a raw material for the preparation of nitroimidazole antibiotics, which is useful in combat anaerobic bacterial and parasitic infections. It acts as a ligand in coordination chemistry. It is also employed as a hardener or accelerator for epoxy resin and auxiliary agent for textile dyes. Further, it acts as a catalyst for refolding of enhanced colored fluorescent protein. It is also useful as a building block in the synthesis of biologically active compounds. In addition to this, it is used as an active pharmaceutical ingredient intermediate such as metronidazole and dimetridazole. |
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