283754
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283754
Aldrich
2(5H)-Furanone
98%
| Synonym: | γ-Crotonolactone, 2-Buten-1,4-olide |
| CAS Number: | 497-23-4 |
| Linear Formula: | C4H4O2 |
| Molecular Weight: | 84.07 |
| Beilstein Registry Number: | 383585 |
| EC Number: | 207-839-3 |
| MDL number: | MFCD00005376 |
| PubChem Substance ID: | 24857130 |
Description
| Packaging | 1, 5 g in glass btl |
| 250 mg in glass btl | |
| Application | 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 |
Properties
| assay | 98% |
| refractive index | n |
| bp | 86-87 °C/12 mmHg(lit.) |
| mp | 4-5 °C(lit.) |
| density | 1.185 g/mL at 25 °C(lit.) |
Safety
| Personal Protective Equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26 |
| WGK Germany | 3 |
| RTECS | LU3453000 |
| Flash Point(F) | 213.8 °F |
| Flash Point(C) | 101 °C |
References
| Cited Reference | 1. J. Am. Chem. Soc. 115, 4602, (1993) |
| 2. Tet. 49, 9039, (1993) | |
| 3. Tet. 49, 8073, (1993) | |
| 4. Tet. 49, 4173, (1993) | |
| Beilstein | Beil. 17,V,9,112 |
| reference | Corp MSDS 1 (1), 1753:C / FT-IR 2 (1), 1187:B / FT-NMR 1 (1), 1146:C / RegBook 1 (1), 811:L / Structure Index 1, 127:C:3 / Vapor Phase 3, 749:B |
