3-ACETOXY-2-BUTANONE
Synonym(s):Acetoin acetate
- CAS NO.：4906-24-5
- Empirical Formula: C6H10O3
- Molecular Weight: 130.14
- MDL number: MFCD00051782
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-03 14:17:14
What is 3-ACETOXY-2-BUTANONE?
Occurrence
3-Acetoxy-2-butanone is reported found in pineapple (Ananas comoscus), roasted chicken, red wine, cocoa, arctic bramble (Rubus articus L.) and pawpaw (Asimina triloba L. Dunal).
Definition
ChEBI: Acetoin acetate is a carboxylic ester and a ketone.
Aroma threshold values
Detection at 5.0%: sweet, fruity, estry, chemical, pineapple, apple, banana with a ketonic nuance.
Taste threshold values
Taste characteristics at 100 ppm: fruity body, fleshy, rimy, grape, and winey.
General Description
2-Acetoxy-3-butanone occurs naturally in paw paw fruit. It is also reported to be formed by the reaction between cysteine and 2,5-dimethyl-4-hydroxy-3(2H)-furanone.
Properties of 3-ACETOXY-2-BUTANONE
| Boiling point: | 56-58°C 30mm |
| Density | 1,02 g/cm3 |
| FEMA | 3526 | 2-ACETOXY-3-BUTANONE |
| refractive index | 1.4135 |
| Flash point: | 66°C |
| Odor | at 10.00 % in propylene glycol. pungent sweet creamy buttery |
| JECFA Number | 406 |
| BRN | 1756882 |
| CAS DataBase Reference | 4906-24-5(CAS DataBase Reference) |
Safety information for 3-ACETOXY-2-BUTANONE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H227:Flammable liquids H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P403+P235:Store in a well-ventilated place. Keep cool. |
Computed Descriptors for 3-ACETOXY-2-BUTANONE
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