8.05852

1-Methylimidazole

for synthesis

• Synonym(s): 1-Methylimidazole, N-Methylimidazole
• Empirical Formula (Hill Notation): C₄H₆N₂
• CAS Number: 616-47-7
• Molecular Weight: 82.10
• MDL number: MFCD00005292
• UNSPSC Code: 12352005
• EC Index Number: 210-484-7
• NACRES: NA.22

Properties

• vapor pressure: 0.4 hPa ( 20 °C)
• Quality Level: 200
• assay: ≥99.0% (GC)
• form: liquid
• autoignition temp.: 525 °C
• potency: 1144 mg/kg LD₅₀, oral (Rat); 400-640 mg/kg LD₅₀, skin (Rabbit)
• expl. lim.: 2.7-15.7 % (v/v)
• pH: 9.5-10.5 (20 °C, 50 g/L in H₂O)
• bp: 198 °C/1013 hPa
• mp: -2 °C
• transition temp: flash point 92 °C
• density: 1.035 g/cm³ at 20 °C
• storage temp.: 2-30°C
• InChI: 1S/C4H6N2/c1-6-3-2-5-4-6/h2-4H,1H3
• InChI key: MCTWTZJPVLRJOU-UHFFFAOYSA-N

Description

Application

• Enhancement of noncorrosive electrolytes: Research discusses the role of 1-Methylimidazole in improving the properties of noncorrosive electrolytes for battery applications. This study explores how 1-Methylimidazole acts as a high donor number cosolvent, aiding in the release of free anions from commercially available magnesium salts, which could lead to innovations in battery technology (Xiao et al., 2024).
• Catalytic applications in organic synthesis: 1-Methylimidazole is utilized as a ligand in an air-stable ruthenium(II) complex, facilitating catalytic transfer hydrogenation of ketones from ethanol. This application demonstrates the catalytic versatility of 1-Methylimidazole in synthetic organic chemistry, providing a method for more efficient and sustainable chemical reactions (Beaufils et al., 2024).
• Functional materials for biomedical applications: Research involving 1-Methylimidazole focuses on developing sodium alginate- and cationic cellulose-functionalized polycaprolactone nanofibers. These materials are designed for specific in vitro and antibacterial applications, indicating the utility of 1-Methylimidazole in the creation of functional biomedical materials (Tolba et al., 2023).

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C): 1.034 - 1.036
Identity (IR): passes test

Safety Information

• pictograms: GHS05,GHS06
• signalword: Danger
• hcodes: H302 - H311 - H314
• pcodes: P270 - P280 - P301 + P312 - P301 + P330 + P331 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Skin Corr. 1B
• Storage Class: 6.1A - Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
• wgk_germany: WGK 2
• flash_point_f: 197.6 °F - closed cup
• flash_point_c: 92 °C - closed cup