γ-Methylene-γ-butyrolactone
Modify Date: 2025-08-25 18:47:07
γ-Methylene-γ-butyrolactone structure
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Common Name | γ-Methylene-γ-butyrolactone | ||
|---|---|---|---|---|
| CAS Number | 10008-73-8 | Molecular Weight | 98.09990 | |
| Density | 1.07 g/cm3 | Boiling Point | 186.7ºC at 760 mmHg ，80ºC17 mm Hg(lit.) | |
| Molecular Formula | C5H6O2 | Melting Point | 18ºC | |
| MSDS | Chinese USA | Flash Point | 76.7ºC | |
| Symbol |
GHS08 |
Signal Word | Danger | |
| Name | α'-angelica lactone |
|---|---|
| Synonym | More Synonyms |
| Density | 1.07 g/cm3 |
|---|---|
| Boiling Point | 186.7ºC at 760 mmHg ，80ºC17 mm Hg(lit.) |
| Melting Point | 18ºC |
| Molecular Formula | C5H6O2 |
| Molecular Weight | 98.09990 |
| Flash Point | 76.7ºC |
| Exact Mass | 98.03680 |
| PSA | 26.30000 |
| LogP | 0.83710 |
| Vapour Pressure | 0.654mmHg at 25°C |
| Index of Refraction | n20/D 1.466(lit.) |
| Symbol |
GHS08 |
|---|---|
| Signal Word | Danger |
| Hazard Statements | H317-H334 |
| Precautionary Statements | P261-P280-P342 + P311 |
| Personal Protective Equipment | Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter |
| Hazard Codes | Xn: Harmful; |
| Risk Phrases | R42/43 |
| Safety Phrases | 23-36/37 |
| WGK Germany | 3 |
| HS Code | 2932209090 |
| HS Code | 2932209090 |
|---|---|
| Summary | 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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Relative thermodynamic stabilities of ?-methylene-?-butyrolactone and ?-angelicalactone.
Tetrahedron 50(6) , 1885-1888, (1994)
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| MFCD00042762 |
| 5-Methylenedihydro-2(5H)-furanone |
| alpha'-angelica lactone |
| EINECS 233-004-8 |
| 5-methylideneoxolan-2-one |
| γ-Methylene-γ-butyrolactone |
| gaMMa-Methylene-gaMMa-butyrolactone |