| Identification | |
| Name: | 2(5H)-Furanone |
| Synonyms: | Crotonicacid, 4-hydroxy-, g-lactone (6CI,7CI);2,5-Dihydrofuranone;2-Buten-4-olide;2-Butenoic acid,4-hydroxy-, g-lactone;2-Oxo-2,5-dihydrofuran;4-Hydroxy-2-butenoic acid lactone;4-Hydroxy-2-butenoicacid g-lactone;5-Oxo-2,5-dihydrofuran-3-yl ester;5H-Furan-2-one;Butenolide;Isocrotonolactone;NSC 197009;NSC 51296;Da,b-Butenolide;a,b-Crotonolactone;g-Crotolactone;g-Crotonolactone;g-Hydroxycrotonic acid lactone; |
| CAS: | 497-23-4 |
| EINECS: | 207-839-3 |
| Molecular Formula: | C4H4O2 |
| Molecular Weight: | 84.07 |
| InChI: | InChI=1/C4H4O2/c5-4-2-1-3-6-4/h1-2H,3H2 |
| Molecular Structure: |  |
| Properties | |
| Flash Point: | 214? |
| Density: | 1.185 |
| Stability: | No data. |
| Refractive index: | 1.469 |
| Solubility: | Very soluble |
| Appearance: | COA |
| Specification: | usageEng:A versatile reagent used in Michael addition reactions1 for synthesis of lignans.2 Also employed in three-component Michael-Aldol reactions with an aldehyde anda thiolate3 or carbanion.4 Safety Statements:26 26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice |
| Packinggroup: | I; II; III |
| HS Code: | 29322980 |
| Flash Point: | 214? |
| Storage Temperature: | 2-8°C |
| Usage: | A versatile reagent used in Michael addition reactions1 for synthesis of lignans.2 Also employed in three-component Michael-Aldol reactions with an aldehyde anda thiolate3 or carbanion.4 |
| Safety Data | |
| Hazard Symbols |
Xi:Irritant
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