Introduction：Basic information about CAS 499-78-5|Comenic Acid, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | Comenic Acid |
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| CAS Number | 499-78-5 | Molecular Weight | 156.09300 |
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| Density | 1.819g/cm3 | Boiling Point | 420.7ºC at 760mmHg |
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| Molecular Formula | C6H4O5 | Melting Point | 284-294ºC |
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| MSDS | / | Flash Point | 187.7ºC |
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Names
| Name | 5-hydroxy-4-oxopyran-2-carboxylic acid |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.819g/cm3 |
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| Boiling Point | 420.7ºC at 760mmHg |
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| Melting Point | 284-294ºC |
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| Molecular Formula | C6H4O5 |
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| Molecular Weight | 156.09300 |
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| Flash Point | 187.7ºC |
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| Exact Mass | 156.00600 |
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| PSA | 87.74000 |
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| LogP | 0.04360 |
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| Vapour Pressure | 7.71E-09mmHg at 25°C |
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| Index of Refraction | 1.66 |
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| InChIKey | UUUICOMMFFTCHS-UHFFFAOYSA-N |
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| SMILES | O=C(O)c1cc(=O)c(O)co1 |
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Safety Information
| Hazard Codes | Xn: Harmful; |
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| Risk Phrases | 22 |
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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
| 2-Carboxy-5-hydroxy-4-pyrone |
| 5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid |
| Comenic acid |
| 5-hydroxy-4-pyrone-2-carboxylic acid |
| 5-hydroxy-2-carboxy-4-pyrone |
