(Glyoxaline)
CAS #288-32-4 C₃H₄N₂ F.W. 68.08
Assay: min 99.5%
Imidazole is a lipid-enhancing buffer agent. When used with 4% osmium tetroxide solution in the post-fixation of tissue blocks, it produces a prominent electron-opaque staining of lipid droplets with no evidence of diffusion. Reference: Angermuller, S. Fahimi, H., Histochem. Journal 14, 823-35 (1982)