Propidium
Synonyms
Diiodide, Propidium
Iodide, Propidium
Phenanthridinium, 3,8-diamino-5-(3-(diethylmethylammonio)propyl)-6-phenyl-
Propidium Diiodide
Propidium Iodide
Quaternary ammonium analog of ethidium; an intercalating dye with a specific affinity to certain forms of DNA and, used as diiodide, to separate them in density gradients; also forms fluorescent complexes with cholinesterase which it inhibits.