Introduction：Basic information about CAS 500-05-0|2-Oxo-2H-pyran-5-carboxylic acid, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 2-Oxo-2H-pyran-5-carboxylic acid |
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| CAS Number | 500-05-0 | Molecular Weight | 140.094 |
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| Density | 1.5±0.1 g/cm3 | Boiling Point | 282.4±0.0 °C at 760 mmHg |
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| Molecular Formula | C6H4O4 | Melting Point | 203-205 °C (dec.)(lit.) |
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| MSDS | / | Flash Point | 137.3±19.4 °C |
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Names
| Name | Coumalic acid |
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| Synonym | More Synonyms |
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2-Oxo-2H-pyran-5-carboxylic acid BiologicalActivity
| Description | Coumalic acid is a valuable platform compound which can be prepared from malic acid. Coumalic acid can be used in the flavours, fragrances and cosmetics industries, as polymer components, and as pharmaceutical scaffolds displaying anti-bronchial and -malarial activity[1]. |
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| Related Catalog | Research Areas >>OthersSignaling Pathways >>Others >>Others |
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| References | [1]. Smith LK, et, al. Flow synthesis of coumalic acid and its derivatization. Department of Chemistry. 2018, 3: 722-732. |
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Chemical & Physical Properties
| Density | 1.5±0.1 g/cm3 |
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| Boiling Point | 282.4±0.0 °C at 760 mmHg |
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| Melting Point | 203-205 °C (dec.)(lit.) |
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| Molecular Formula | C6H4O4 |
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| Molecular Weight | 140.094 |
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| Flash Point | 137.3±19.4 °C |
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| Exact Mass | 140.010956 |
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| PSA | 67.51000 |
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| LogP | -0.43 |
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| Vapour Pressure | 0.0±1.2 mmHg at 25°C |
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| Index of Refraction | 1.577 |
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| InChIKey | ORGPJDKNYMVLFL-UHFFFAOYSA-N |
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| SMILES | O=C(O)c1ccc(=O)oc1 |
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Safety Information
| Hazard Codes | Xi |
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| Safety Phrases | S22-S24/25 |
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| WGK Germany | 3 |
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Synonyms
| 2-Pyrone-5-carboxylic acid,2-Oxo-2H-pyran-5-carboxylic acid |
| 2H-Pyran-5-carboxylic acid, 2-oxo- |
| 6-oxopyran-3-carboxylic acid |
| α-Pyrone-5-carboxylic Acid |
| 2-Oxo-2H-pyran-5-carboxylic acid |
| Cumalic Acid |
| Coumalic Acid |
| EINECS 207-899-0 |
| MFCD00006644 |
