2,3-HEPTANEDIONE
Synonym(s):Acetyl valeryl
- CAS NO.：96-04-8
- Empirical Formula: C7H12O2
- Molecular Weight: 128.17
- MDL number: MFCD00036550
- EINECS: 202-472-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 05:53:37
What is 2,3-HEPTANEDIONE?
Description
2,3-Heptanedione has a powerful, cheesy, pungent odor with a sweet, oily character and a sweet, buttery taste. This substance may be synthesized from butyl acetoacetate, ethyl butyl ketone, or methyl-n-amyl ketone.
Chemical properties
Powerful, cheesy,pungent odor with a sweet,oily character;sweet,buttery taste.
Occurrence
Reported found in tomato, rum, soybean, mushroom and fermented soya hydrolysate (shoyu)
Preparation
From butyl acetoacetate, ethyl butyl ketone or methyl-n-amyl ketone.
Definition
ChEBI: 2,3-Heptanedione is an alpha-diketone.
Synthesis Reference(s)
The Journal of Organic Chemistry, 48, p. 1144, 1983 DOI: 10.1021/jo00155a057
Properties of 2,3-HEPTANEDIONE
| Melting point: | 26.25°C (estimate) |
| Boiling point: | 64 °C18 mm Hg(lit.) |
| Density | 0.92 g/mL at 25 °C(lit.) |
| refractive index | n |
| FEMA | 2543 | 2,3-HEPTANEDIONE |
| Flash point: | 105 °F |
| storage temp. | Refrigerator |
| form | clear liquid |
| color | Light yellow to Yellow to Orange |
| Odor | at 1.00 % in dipropylene glycol. butter cheese oily fresh yogurt |
| JECFA Number | 415 |
| BRN | 1700989 |
| CAS DataBase Reference | 96-04-8(CAS DataBase Reference) |
| EPA Substance Registry System | 2,3-Heptanedione (96-04-8) |
Safety information for 2,3-HEPTANEDIONE
| Signal word | Warning |
| Pictogram(s) |
 Flame Flammables GHS02 |
| GHS Hazard Statements |
H226:Flammable liquids |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P240:Ground/bond container and receiving equipment. P241:Use explosion-proof electrical/ventilating/lighting/…/equipment. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. |
Computed Descriptors for 2,3-HEPTANEDIONE
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