BCIP p-toluidine salt, ImmunoTek™

For the colorimetric detection of alkaline phosphatase-labeled molecules in Northern Southern, and Western blotting, in situ hybridization, and Immunohistochemistry. Produces a purple insoluble end product that is detected visually, when used together with Nitroblue tetrazolium.||Synonyms:|5-Bromo-4-chloro-3-indolyl phosphate p-toluidine salt; X-phosphate p-toluidine salt; X-phos; X-phos PT||CAS Number:|6578-06-9||Molecular Formula:|C15H15BrClN2O4P||Molecular Weight:|433.62||Appearance:|White to off-white powder||Purity:|≥99% (HPLC)||Perchloric Acid Titration (0.1mol/L):|≥99% (Titration)||Solubility (1%, DMF):|Colorless to light yellow, clear, complete||Solubility (1%, dH2O):|Insoluble||Turbidity (1%, DMF): |≤4.0 NTU||Water (KF):|≤1%||Phosphorous (inorganic):|≤ 0.05%||FTIR: |Conform with assigned structure.||Storage and Stability:|Lyophilized powder may be stored at -20°C. Stable for 12 months at -20°C.