3-Hydroxy-4-methyl-5-ethyl-2(5H)furanone
Synonym(s):Ethyl fenugreek lactone;Maple furanone
- CAS NO.：698-10-2
- Empirical Formula: C7H10O3
- Molecular Weight: 142.15
- MDL number: MFCD00036673
- EINECS: 211-811-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:19:41
What is 3-Hydroxy-4-methyl-5-ethyl-2(5H)furanone?
Chemical properties
light yellow liqui
Chemical properties
Abhexone has been found in, for example, lovage and roasted coffee. It has a bouillon-like, coffee and lovage aroma, depending on its concentration. It can be prepared starting from alkyl 2-oxobutanoate either by self-condensation followed subsequently by decarbomethoxylation or by condensation with propionaldehyde and subsequent cyclization . Alkyl 2-oxobutanoate is available from acrylaldehyde and sodium cyanide via alkyl 2-hydroxy-3-butenoate or by reaction of dialkyloxalate with ethyl magnesium bromide . It is used for aromatization of food.
Chemical properties
5-Ethyl-3-hydroxy-4-methyl-2(5H)-furanone has a sweet, maple, caramel odor.
Occurrence
Reported found in coffee.
The Uses of 3-Hydroxy-4-methyl-5-ethyl-2(5H)furanone
5-Ethyl-3-hydroxy-4-methyl-2(5H)-furanone is an odorant found in grape stems, Jura Flor-Sherry wines and roasted arabica coffee.
Definition
ChEBI: 5-ethyl-3-hydroxy-4-methyl-2(5H)-furanone is a butenolide. It has a role as a metabolite.
Taste threshold values
Taste characteristics at 50 ppm: sweet, fruity with brown maple note.
Properties of 3-Hydroxy-4-methyl-5-ethyl-2(5H)furanone
| Melting point: | 31-35 °C(lit.) |
| Boiling point: | 83-86 °C0.5 mm Hg(lit.) |
| Density | 1.1643 (rough estimate) |
| refractive index | n |
| FEMA | 3153 | 5-ETHYL-3-HYDROXY-4-METHYL-2(5H)-FURANONE |
| Flash point: | >230 °F |
| storage temp. | 2-8°C |
| solubility | Chloroform (Slightly), Methanol (Slightly) |
| pka | 9.28±0.40(Predicted) |
| form | powder to lump to clear liquid |
| color | White or Colorless to Yellow |
| Odor | at 0.01 % in dipropylene glycol. sweet fruity caramellic maple fenugreek brown sugar nutty chicory praline butterscotch |
| FreezingPoint | 25.0 to 29.0 ℃ |
| JECFA Number | 222 |
| Stability: | Hygroscopic |
| CAS DataBase Reference | 698-10-2(CAS DataBase Reference) |
| NIST Chemistry Reference | 2(5H)-furanone, 5-ethyl-3-hydroxy-4-methyl-(698-10-2) |
| EPA Substance Registry System | 2(5H)-Furanone, 5-ethyl-3-hydroxy-4-methyl- (698-10-2) |
Safety information for 3-Hydroxy-4-methyl-5-ethyl-2(5H)furanone
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 3-Hydroxy-4-methyl-5-ethyl-2(5H)furanone
| InChIKey | IUFQZPBIRYFPFD-UHFFFAOYSA-N |
3-Hydroxy-4-methyl-5-ethyl-2(5H)furanone manufacturer
Triveni Interchem Private Limited (Group Of Triveni Chemicals)
Gujarat
product: 5-Ethyl-3-Hydroxy-4-Methyl-2(5H)-Furanone, For Api For Syrup
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