DAB TETRAHYDROCHLORIDE HYDRATE Grade:REAGENT GRADE CAS Number: 868272-85-9Synonym(s): 3,3'-DIAMINOBENZIDINE TETRAHYDROCHLORIDE Molecular Weight: 360.1Molecular Formula: C12H14N4.4HCl.xH2O Storage Condition: FROZEN CodeSizePriceQuantity 0430-5G 0430-10G DAB is commonly used for detection of horseradish peroxidase in membrane-bound and in Situ applications. Insoluble end product is resistant to alcohol and fading, making it ideal for immunohistochemistry. Insoluble. Reaction Condition: 6 mg in 10 ml of 50 mM Tris, 0.1 M NaCl, pH 7.6 and 0.01% H2O2. The presence of Nickel or Cobalt increases sensitivity.