γ-巴豆酸内酯，CAS 登记号 497-23-4，由济南圣和化工有限公司现货供应，可提供纯度 按批次COA提供(不公开发布) 的规格，下游主要用于有机化学品。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。
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gamma-crotonolactone · CAS 497-23-4 · C4H4O2. UNII 8KXK25H388. Boiling Point: BP: 86-87 °C at 12 mm Hg; Boiling Point: 86.00 to 87.00 °C. @ 12.00 mm Hg; Boiling Point: 52-53 °C.
| CAS Registry Number | 497-23-4 |
|---|---|
| PubChem CID | 10341 |
| Molecular formula | C4H4O2 |
| IUPAC name | 2H-furan-5-one |
| UNII (FDA) | 8KXK25H388 |
| FEMA number | 4138 |
| JECFA number | 2000 |
| Molecular Weight | 84.07 |
|---|---|
| XLogP3 | -0.6 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 84.021129366 |
| Monoisotopic Mass | 84.021129366 |
| Topological Polar Surface Area | 26.3 |
| Heavy Atom Count | 6 |
| Formal Charge | 0 |
| Boiling Point | BP: 86-87 °C at 12 mm Hg |
|---|---|
| Boiling Point | 86.00 to 87.00 °C. @ 12.00 mm Hg |
| Boiling Point | 52-53 °C |
| Melting Point | 4-5 °C |
| Melting Point | 4.5 °C |
| Flash Point | 101 °C (214 °F) (Closed cup) |
| Density | 1.185 mg/L at 25 °C |
| Density | 1.183-1.187 |
| LogP | log Kow = -0.60 |
| LogP | -0.60 |
| Regulatory & Food Contact | EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent 4-HYDROXY-2-BUTENOIC ACID γ-LACTONE No safety concern at current levels of intake when used as a flavouring agent |
|---|
| Reported hazard statements | H302 (96.8%), H315, H319, H335 |
|---|
H302 (96.8%): Harmful if swallowed [Warning Acute toxicity, oral]
P264, P270, P301+P317, P330, and P501 (click each P-code to see the statement)
2(5H)-Furanone; 497-23-4; Furan-2(5H)-one; Isocrotonolactone; 2-Butenolide; 2H-furan-5-one; 2-Oxo-2,5-dihydrofuran; 2,5-dihydrofuran-2-one; 4-Hydroxy-2-butenoic acid lactone; gamma-Crotolactone; alpha,beta-Crotonolactone; 2,5-Dihydrofuranone; delta,alpha,beta-Butenolide; gamma-Hydroxycrotonic acid lactone; 2-Butenoic acid gamma-lactone; 2-Butenoic acid-gamma-lactone
CAS 497-23-4; molecular formula C4H4O2; molecular weight — g/mol.
2(5H)-Furanone, 497-23-4, Furan-2(5H)-one, Isocrotonolactone, 2-Butenolide, 2H-furan-5-one.
Documented regulatory listings: EU Flavoring substances; FDA Substance added to food: FLAVORING AGENT OR ADJUVANT; Flavoring Agents.
Hazard statements reported: H302, H315, H319, H335.
Boiling Point: BP: 86-87 °C at 12 mm Hg; Boiling Point: 86.00 to 87.00 °C. @ 12.00 mm Hg; Boiling Point: 52-53 °C; Melting Point: 4-5 °C.
Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.