Introduction：Basic information about CAS 21169-71-1|isoxazole-5-carboxylic acid, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | isoxazole-5-carboxylic acid |
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| CAS Number | 21169-71-1 | Molecular Weight | 113.072 |
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| Density | 1.5±0.1 g/cm3 | Boiling Point | 321.2±15.0 °C at 760 mmHg |
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| Molecular Formula | C4H3NO3 | Melting Point | 144-148 °C(lit.) |
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| MSDS | / | Flash Point | 148.1±20.4 °C |
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Names
| Name | 1,2-oxazole-5-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 | 321.2±15.0 °C at 760 mmHg |
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| Melting Point | 144-148 °C(lit.) |
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| Molecular Formula | C4H3NO3 |
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| Molecular Weight | 113.072 |
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| Flash Point | 148.1±20.4 °C |
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| Exact Mass | 113.011292 |
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| PSA | 63.33000 |
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| LogP | -0.44 |
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| Vapour Pressure | 0.0±0.7 mmHg at 25°C |
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| Index of Refraction | 1.517 |
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| InChIKey | MIIQJAUWHSUTIT-UHFFFAOYSA-N |
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| SMILES | O=C(O)c1ccno1 |
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Safety Information
| Hazard Codes | Xi |
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| Risk Phrases | R36/37/38 |
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| Safety Phrases | S24/25-S25-S24 |
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| WGK Germany | 3 |
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| HS Code | 2934999090 |
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Customs
| HS Code | 2934999090 |
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| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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Synonyms
| isoxazole-5-carboxylic acid |
| isoxazol-5-carboxylic acid |
| F2158-0308 |
| 5-Carboxy-1,2-oxazole |
| MFCD00156151 |
| 5-isoxazolylcarboxylic acid |
| Isoxazol-5-carbonsaeure |
| 1,2-Oxazole-5-carboxylic acid |
| 5-Carboxyisoxazole |
| 5-Isoxazolecarboxylic acid |
