BCIP Pink (6-Chloro-3-indoxyl phosphate, <i>p</i>-toluidine salt) is a derivative of BCIP chromogenic phosphatase substrate. While BCIP yields a blue precipitating product, BCIP Pink produces a pink colored (&lambda;_max 540 nm) precipitate.<ul> <li>White solid soluble in water</li> <li>Store at 4&deg;C and protect from light</li> <li>C₁₅H₁₇ClN₂O₄P</li> <li>MW: 354.7</li> <li>[159954-33-3]</li></ul>