3,3',5,5'-TETRAMETHYLBENZIDINE 99%
BM blue, Sure Blue TMB, TMB Blotting Plus, TMB substrate, TMB
| Product Code | B-02660 | BRAND | Bio-Chem |
|---|---|---|---|
| Grade | EXTRAPURE | CAS No | 54827-17-7 |
| Molecular Formula | C16H20N2 | Molecular Weight | 240.35 |
| H.S.Code | 2921.59900 | Shelf Life | 60 Months |
| Purity | 99 % |

3,3',5,5'-TETRAMETHYLBENZIDINE 99%
| Physical state at 20 °C | Solid | Colour | White crystalline |
|---|---|---|---|
| Melting point/ Freezing point [°C] | 168 - 171 °C | Solubility in water [% weight] | Insoluble in water |
| Initial boiling point [°C] | 168 °C | Final boiling Point [°C] | 169 °C |
| Boiling point [°C] | 168 - 169 °C | Odour | Odorless |
Packaging

Specification
| Appearance | White to Yellow or Beige powder |
| Assay (by HClO4 titration) | Min 96% |
| Melting range | 166 – 170°C |
| Insoluble matter in acetic acid | Passes test |
| Loss on drying (at 120°C) | Max 0.5% |
| Residue on ignition (as SO4) | Max 0.1% |
| Chloride (Cl) | Max 0.05% |
| Sulphate (SO4) | Max 0.02% |
| Copper (Cu) | Max 0.001% |
| Iron (Fe) | Max 0.001% |
| Nickel (Ni) | Max 0.001% |
| Lead (Pb) | Max 0.001% |
Safety Information and Hazard Symbols

Symbol: GHS07,GHS09
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
