7218-52-2
7218-52-2 structure
- Name: 4-Hydroxybut-2-ynoic acid
- Chemical Name: 4-Hydroxybut-2-ynoic acid
- CAS Number: 7218-52-2
- Molecular Formula: C4H4O3
- Molecular Weight: 100.07300
- Create Date: 2018-09-13 19:35:25
- Modify Date: 2024-01-03 09:22:21
| Name | 4-Hydroxybut-2-ynoic acid |
|---|---|
| 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 |
| Density | 1.429 g/cm3 |
|---|---|
| Boiling Point | 319.2ºC at 760 mmHg |
| Melting Point | 115-116 °C |
| Molecular Formula | C4H4O3 |
| Molecular Weight | 100.07300 |
| Flash Point | 161ºC |
| Exact Mass | 100.01600 |
| PSA | 57.53000 |
| Storage condition | 2-8°C |
| Hazard Codes | Xi |
|---|---|
| Risk Phrases | R36/37/38 |
| Safety Phrases | 26-36/37/39 |
| HS Code | 2918199090 |
|
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7218-52-2 |
| Literature: Matsumura, Shuichi; Yoda, Nobuo; Endo, Masato; Yoshikawa, Sadao Chemistry Letters, 1990 , # 4 p. 647 - 648 |
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| Literature: Johnson, C. David; Lane, Simon; Edwards, Philip N.; Taylor, Peter J. Journal of Organic Chemistry, 1988 , vol. 53, # 21 p. 5130 - 5139 |
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| Literature: Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), , vol. 21, p. 1706 - 1711 Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, , vol. 21, # 8 p. 1763 - 1769 |
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| Literature: Canadian Journal of Chemistry, , vol. 37, p. 2092 Journal of the Chemical Society, , p. 3646,3649 |
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| Literature: Bulletin de la Societe Chimique de France, , p. 816,819 |
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| Literature: Journal of the Chemical Society, , p. 3646,3649 |
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| Literature: Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, , vol. 146, p. 296 |
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| Literature: Justus Liebigs Annalen der Chemie, , vol. 587, p. 124,129 |
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7218-52-2 |
| Literature: Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, , vol. 146, p. 296 |
| Precursor 7 | |
|---|---|
| DownStream 8 | |
| HS Code | 2918199090 |
|---|---|
| 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% |