Imidazole

• Catalog No.: A10221
• CAS Number: 288-32-4
• M. F.: C3H4N2
• M. W.: 68.07726
• Purity: 99%

SYNONYMS

• Title: 咪唑
• IUPAC name: 1H-imidazole
• IUPAC Traditional name: Him
• Synonyms: Glyoxaline

DATABASE IDS

• EC Number: 206-019-2
• CAS Number: 288-32-4
• Beilstein Number: 103853
• MDL Number: MFCD00005183
• Merck Index: 144912

PROPERTIES

• European Hazard Symbols: X
• European Hazard Symbols: Corrosive (C)
• GHS Precautionary statements: P260-P301+P310-P303+P361+P353-P305+P351+P338-P405-P501A
• Risk Statements: 22-34
• RTECS: NI3325000
• Safety Statements: 26-36/37/39-45-60
• TSCA Listed: 是
• Hazard Class: 8
• UN Number: UN2923
• Packing Group: III
• GHS Hazard statements: H301-H314-H318
• Purity: 99%
• Boiling Point: 256°C
• Density: 1.03
• Flash Point: 145°C(293°F)
• Melting Point: 88-92°C

REFERENCES

• With 2 moles of an aroyl halide gives, after hydrolysis, good yields of 2-aroylimidazoles: Synthesis, 675 (1978).
• Nucleophilic catalyst for many acylation and silylation reactions, compare 4-(Dimethylamino)pyridine, A13016.
• For use in: silylation of 1,3-diketones, see Hexamethyldisilazane, A15139; introduction of the TBDMS and TBDPS groups; see: tert-Butyldimethylchlorosilane, A13064, and tert-Butyldiphenylchlorosilane, A12721, respectively.
• In combination with triphenylphosphine and iodine, vic-diols are converted to alkenes: Synthesis, 469 (1979), and alcohols to alkyl iodides: Synth. Commun., 20, 1473 (1990).