Agent Name

Propidium iodide

CAS Number

25535-16-4

Formula

C27-H34-N4.2I

Major Category

Other Uses

Synonyms

3,8-Diamino-5-(3-(diethylmethylammonio)propyl)-6-phenylphenanthridinium diiodide; 3,8-Diamino-5-(3-diethylaminopropyl)-6-phenylphenanthridinium iodide methiodide (6CI); Propidium diiodide; Phenanthridinium, 3,8-diamino-5-(3-(diethylmethylammonio)propyl)-6-phenyl-, diiodide; [ChemIDplus]

Category

Biochemical Research

Description

Dark red solid; [Sigma-Aldrich MSDS]

Sources/Uses

"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." [ChemIDplus]

Comments

Subcutaneous LD50 (mouse) = 16 mg/kg; [RTECS] A skin and strong eye irritant; [Sigma-Aldrich MSDS] See "Homidium bromide."

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