Introduction：Basic information about CAS 7218-52-2|4-Hydroxybut-2-ynoic acid, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 4-Hydroxybut-2-ynoic acid |
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| CAS Number | 7218-52-2 | Molecular Weight | 100.07300 |
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| Density | 1.429 g/cm3 | Boiling Point | 319.2ºC at 760 mmHg |
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| Molecular Formula | C4H4O3 | Melting Point | 115-116 °C |
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| MSDS | / | Flash Point | 161ºC |
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Names
| Name | 4-Hydroxybut-2-ynoic acid |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.429 g/cm3 |
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| Boiling Point | 319.2ºC at 760 mmHg |
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| Melting Point | 115-116 °C |
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| Molecular Formula | C4H4O3 |
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| Molecular Weight | 100.07300 |
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| Flash Point | 161ºC |
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| Exact Mass | 100.01600 |
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| PSA | 57.53000 |
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| InChIKey | QVYMWMSAXULCMW-UHFFFAOYSA-N |
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| SMILES | O=C(O)C#CCO |
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| Storage condition | 2-8°C |
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Safety Information
| Hazard Codes | Xi |
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| Risk Phrases | R36/37/38 |
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| Safety Phrases | 26-36/37/39 |
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| HS Code | 2918199090 |
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Customs
| HS Code | 2918199090 |
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| Summary | 2918199090 other carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
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Synonyms
| 4-hydroxy-2-butynoic acid |
| Hydroxy-but-2-insaeure |
| 4-oxidanylbut-2-ynoic acid |
| hydroxy-but-2-ynoic acid |
| 4-hydroxy-but-2-ynoic acid |
| Hydroxymethyl-propiolsaeure |
| Hydroxytetrolic acid |
