Introduction：Basic information about CAS 499-05-8|4-Oxo-4H-pyran-2-carboxylic acid, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 4-Oxo-4H-pyran-2-carboxylic acid |
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| CAS Number | 499-05-8 | Molecular Weight | 140.094 |
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| Density | 1.5±0.1 g/cm3 | Boiling Point | 354.5±37.0 °C at 760 mmHg |
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| Molecular Formula | C6H4O4 | Melting Point | / |
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| MSDS | / | Flash Point | 160.0±20.0 °C |
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Names
| Name | 4-oxopyran-2-carboxylic acid |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.5±0.1 g/cm3 |
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| Boiling Point | 354.5±37.0 °C at 760 mmHg |
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| Molecular Formula | C6H4O4 |
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| Molecular Weight | 140.094 |
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| Flash Point | 160.0±20.0 °C |
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| Exact Mass | 140.010956 |
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| PSA | 67.51000 |
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| LogP | -0.56 |
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| Vapour Pressure | 0.0±1.7 mmHg at 25°C |
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| Index of Refraction | 1.577 |
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| InChIKey | UFMDRPPBUAPWBK-UHFFFAOYSA-N |
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| SMILES | O=C(O)c1cc(=O)cco1 |
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Safety Information
| Risk Phrases | 36/37/38 |
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| Safety Phrases | 26-36/37/39 |
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| HS Code | 2932999099 |
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Customs
| HS Code | 2932999099 |
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| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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Synonyms
| 4H-Pyran-2-carboxylic acid, 4-oxo- |
| 4-oxo-4H-pyrane-2-carboxylic acid |
| COMANIC ACID |
| 4-Oxo-4H-pyran-2-carbonsaeure |
| γ-Pyrone-2-carboxylic Acid |
| 4-Oxo-4H-pyran-2-carboxylic acid |
