BCIP stock solution (50 mg/mL)
5-bromo-4-chloro-3-indolyl-phosphate (BCIP)
BCIP is sold as a disodium salt or as a p-toluidine salt. To prepare 50 mg/mL BCIP disodium salt, dissolve 0.5 g in 10 mL H2O. To prepare 50 mg/mL BCIP p-toluidine salt, dissolve 0.5 g in 10 mL DMF. Store BCIP stock solutions at 4°C.
