Phenanthroline
| Phenanthroline | |
|---|---|
| 200px | |
| IUPAC name | 1,10-phenanthroline |
| Identifiers | |
| CAS number | |
| RTECS number | SF8300000 |
| SMILES | c1ccnc3c1ccc2cccnc23 |
| Properties | |
| Molecular formula | C12H8N2 |
| Molar mass | 180.3 g/mol |
| Appearance | colourless crystals |
| Density | ? g/cm3 |
| Melting point |
117 °C |
| Solubility in water | low |
| Solubility in other solvents | ethanol |
| Hazards | |
| Main hazards | toxic |
| R-phrases | 25-50/53 |
| S-phrases | 45-60-61 |
| Related Compounds | |
| Related compounds | 2,2'-bipyridine ferroin phenanthrene |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references | |
Phenanthroline is a heterocyclic organic compound. It can be a ligand in coordination chemistry; in this role it is abbreviated phen. Being a bidentate ligand, it is commonly used as a chelating agent for metal ions.
The complex [Fe(phen)3]2+ is used for the photometric determination of Fe(II).[1] The complex, called "ferroin" has deep red colour. It is used as a redox indicator with standard potential +1.06V. The reduced ferrous form has a red colour and the oxidised form is light-blue.
Ferroin is used as a cell permeable inhibitor for metalloproteases in cell biology.
In the related compound bathohenanthroline the 4 and 7 positions have a phenyl group.
References
- ↑ Belcher, R. "Application of chelate Compounds in Analytical Chemistry" Pure and Applied Chemistry, 1973, volume 34, pages 13-27.
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