| Product Name | α-methylene-γ-butyrolactone |
| CAS No. | 547-65-9 |
| Synonyms | 2-Methylenebutyrolactone; 3-methylidenedihydrofuran-2(3H)-one; 3-Methylenedihydro-2(3H)-Furanone |
| InChI | InChI=1/C5H6O2/c1-4-2-3-7-5(4)6/h1-3H2 |
| Molecular Formula | C5H6O2 |
| Molecular Weight | 98.0999 |
| Density | 1.07g/cm3 |
| Boiling point | 204.4°C at 760 mmHg |
| Flash point | 83.6°C |
| Refractive index | 1.452 |
| Hazard Symbols |  Xn:Harmful; |
| Risk Codes | R42/43:; |
| Safety | S23:; S36/37:; |
547-65-9 α-methylene-γ-butyrolactone
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