3,3′,5,5′-Tetramethylbenzidine

About 3,3′,5,5′-Tetramethylbenzidine

3,3,5,5-TetramethylbenzidineStandard For GcSynonym: Bm Blue, Sure Blue Tmb, Tmb Blotting Plus, Tmb Substrate, Tmb Cas Number 54827-17-7 Linear Formula [-C6H2(Ch3)2-4-Nh2]2 Molecular Weight 240.34Properties Grade : Analytical Standard Standard For GcAssay : 99.0% (Gc)Shelf Life : Limited Shelf Life, Expiry Date On The LabelMp : 166-171 C 168-171 C(Lit.)DescriptionApplication3,3,5,5-Tetramethylbenzidine (Tmb) Is A Noncarcinogenic Substitute (Ames Test Negative) For Benzidine[] Suitable As Peroxidase Substrate For Use In Elisa Procedures. The Substrate Produces A Soluble End Product That Is Pale Blue In Color And Can Be Read Spectrophotometrically At 370 Or 620-650 Nm. The Tmb Reaction May Be Stopped With 2 M H2So4 (Resulting In A Yellow Color), And Read At 450 Nm. A Sensitive And Specific Reagent For The Detection Of Blood,[] Assay Of Hemoglobin,[][][] Assay Of Peroxidases.[][][]Other NotesStandard For Determining Aromatic Amines Released From Azo-Dyes In Commodities[1]