2,3-Pyridinedicarboxylic anhydride
2,3-Pyridinedicarboxylic anhydride
CAS: 699-98-9
Molecular Formula: C7H3NO3
2,3-Pyridinedicarboxylic anhydride - Names and Identifiers
2,3-Pyridinedicarboxylic anhydride - Physico-chemical Properties
| Molecular Formula | C7H3NO3 |
| Molar Mass | 149.1 |
| Density | 1.4974 (rough estimate) |
| Melting Point | 137-139 °C (lit.) |
| Boling Point | 270.14°C (rough estimate) |
| Flash Point | 156.2°C |
| Water Solubility | Optimal solubility in water. |
| Vapor Presure | 0.000127mmHg at 25°C |
| Appearance | Crystallization |
| Color | White to Orange to Green |
| BRN | 125111 |
| pKa | -2.24±0.20(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Sensitive | Moisture Sensitive |
| Refractive Index | 1.4835 (estimate) |
| MDL | MFCD00005915 |
2,3-Pyridinedicarboxylic anhydride - 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 - Wear suitable protective clothing. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 10-21 |
| TSCA | Yes |
| HS Code | 29333990 |
2,3-Pyridinedicarboxylic anhydride - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| appearance and properties | white crystal powder |
Last Update：2024-04-10 22:29:15
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