BCIP Pink (6-Chloro-3-indoxyl phosphate, p-toluidine salt) is a derivative of BCIP. While BCIP yields a blue precipitating product, BCIP Pink produces a pink colored (λmax 540 nm) precipitate.
White solid soluble in water
Store at -20°C and protect from light
Also available in the BCIP Pink/NBT kit (catalog no. 10007).