Carbon, Hydrogen, Nitrogenrdavis Methylimidazole-1 CAS # 616-47-7 C4H6N2 FW: 82.11 Downloads 1-Methylimidazole Information Sheet 1-Methylimidazole SDS US Specifications: Assay: 99.0 % min. Appearance Clear, colorless liquid Boiling point: 195 – 198 oC Density: 1.031-1.036 g/ml % H2O:0.03 % max. 20 L pail: Item # 4570-01