Pyridinium Dichromate (PDC), also known as the Cornforth Reagent, is a selective oxidizing agent used in organic synthesis. It is closely related to PCC but offers improved solubility in a wider range of organic solvents.
| CAS Number | 20039-37-6 |
| Chemical Formula | C10H12Cr2N2O7 |
| Molecular Weight | 376.20 g/mol |
| Appearance | Bright orange to orange-red crystalline powder |
| Melting Point | 144 – 150 °C (decomposes on melting) |
| Purity | ≥ 98.0% |
| Solubility |
Highly soluble in DMF and DMSO; moderately soluble in Dichloromethane (DCM) and Acetonitrile |
| Safety Information |
Contains Hexavalent Chromium (Cr6+) and must be handled with extreme care. Appropriate safety measures are required. |
| Packing |
Laboratory packs: 100 g, 500 g, 1 Kg amber glass bottles Industrial packs: 25 Kg fiber drums with double-layered antistatic PE liners |
| Synonyms |
PDC, Cornforth Reagent, Pyridinium binoxotrioxochromate (VI), Dichromic acid, bis(pyridinium) salt |
| Uses |
A mild and nearly neutral oxidant used to convert primary and secondary alcohols into aldehydes or ketones. When dissolved in DMF, it can further oxidize non-conjugated primary alcohols into carboxylic acids. |
