Propidium Iodide 是一种可用于细胞染色的红色荧光染料。

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.

25535-16-4

C27H34I2N4

668.406

PI;碘化丙啶（PI）;碘化丙啶;Propidium Iodide

H2O:5 mg/mL (7.48 mM),ultrasonic and warming and heat to 60°C
Powder: -20°C for 3 years
In solvent: -80°C for 2 years