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Tetramethylbenzidine (TMB) is a new and safe chromogen reagent. Tetramethylbenzidine (TMB) is used as a reagent in a sensitive staining procedure for the detection of low levels of heme-associated peroxidase activity of cytochrome P-450 on SDS-polyacrylamide or agarose gel; non-carcinogenic substitute for benzidine as reagent for the detection of blood and determination of hemoglobin content.
| Items | Specifications | Results |
| Appearance | White or light yellow crystals | Conforms |
| Assay | ≥99.5% | 99.87% |
| Loss on drying | ≤0.5% | 0.22% |
| Heavy metals | ≤5ppm | Conforms |
| Product parameters | |
| Cas number: | 54827-17-7 |
| Appearance: | White or light yellow crystals |
| Purity: | 99.5%min |
| Package details: | 100g/bottle; 1kg/foil bag |
| Brand: | Fortunachem |

A new type of safe chromogen reagent.

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