http://www.hbynm.com/diagnosti....c-reagent-series/Dia Reagent Series suppliers 3,3鈥?5,5鈥?Tetramethylbenzidine dihydrochloride hydrate (TMB-d) is a sensitive chromogen substrate for peroxidase. It is non- carcinogenic, hence, it can be used as a safe substitute for benzidine. TMB-d is useful in quantifying hemoglobin and in staining myeloperoxidase-containing granules in granulocytes. TMB dihydrochloride | Basic Information Product nameTMB dihydrochloride Synonyms3,3鈥?5,5鈥?Tetramethylbenzidine dihydrochloride hydrate CAS207738-08-7 Molecular FormulaC16H20N2.2ClH Molecular weight313.27 Hazard Codes 聽 Risk Statements聽 Safety Statem