2,6-Diformylpyridine
2,6-pyridinedicarboxaldehyde
CAS: 5431-44-7
Molecular Formula: C7H5NO2
2,6-Diformylpyridine - Names and Identifiers
| Name | 2,6-pyridinedicarboxaldehyde |
| Synonyms | 2,6-Diformylpyridine 2,6-Pyridine dialdehyde 2,6-Pyridinedicarbaldehyde PYRIDINE-2,6-DICARBALDEHYDE 2,6-PYRIDINEDICARBOXADEHYDE pyridine-2,6-dicarbaldehyde 2,6-pyridinedicarboxaldehyde 2,6-PYRIDINEDICARBOXALDEHYDE Pyridine-2,6-biscarbaldehyde |
| CAS | 5431-44-7 |
| EINECS | 226-589-6 |
| InChI | InChI=1/C7H5NO2/c9-4-6-2-1-3-7(5-10)8-6/h1-5H |
| InChIKey | PMWXGSWIOOVHEQ-UHFFFAOYSA-N |
2,6-Diformylpyridine - Physico-chemical Properties
| Molecular Formula | C7H5NO2 |
| Molar Mass | 135.12 |
| Density | 1.3124 (rough estimate) |
| Melting Point | 124-125 °C (lit.) |
| Boling Point | 152-154 °C/103 mmHg (lit.) |
| Flash Point | 102.8°C |
| Solubility | Chloroform (Slightly), Methanol (Slightly) |
| Vapor Presure | 0.107mmHg at 25°C |
| Appearance | Powder |
| Color | White to tan |
| pKa | 1.84±0.10(Predicted) |
| Storage Condition | 2-8°C |
| Refractive Index | 1.5800 (estimate) |
| MDL | MFCD00010103 |
2,6-Diformylpyridine - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| HS Code | 29333990 |
2,6-Diformylpyridine - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| use | 2,6-pyridine dimethyl aldehyde referred to as PDA, first reported in 1953, found that its derivatives have anti-tuberculosis effect, anti-cancer activity, can make organic developer, etc. 2, 6-pyridine dimethyl aldehyde contains two aldehyde groups, which can react with diamine and other compounds to form various types of Schiff bases, and can also be further reacted to form cyclists and then used as ligands for organic synthesis. It is an important organic synthesis intermediate, so it has been widely studied and applied in recent years. |
| synthesis method | using 2,6-pyridinedicarboxylic acid as raw material, 2,6-pyridinedicaraldehyde was synthesized in four steps of acylation, esterification, reduction and oxidation, with a total yield of 30%. The synthetic route is easy to obtain raw materials and mild reaction conditions. It is a simple and feasible method for preparing 2, 6-pyridine dimethyl aldehyde in laboratory and industry. The synthesis roadmap is as follows: Figure 2. The synthesis roadmap of 6-pyridine dimethyl aldehyde |
Last Update：2024-04-09 02:00:09
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