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Online Edition: "Specifications for Flavourings"
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| Flavouring |
2,3-Hexanedione |
| Synonym(s) |
Acetyl-n-butyryl
Methyl propyl diketone
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| Latest JECFA evaluation |
2000 (Session 55)
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| Status of specification |
Full |
| Chemical name |
Hexane-2,3-dione
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| JECFA number |
412 |
| CAS number |
3848-24-6
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| FEMA number |
2558
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| COE number |
152
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| FLAVIS number |
-
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| Molecular weight |
114.14 |
| Chemical formula |
C6H10O2
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| Physical form/odour |
yellow, oily liquid with a butter-sweet odour |
| Solubility |
slightly soluble in water; soluble in propylene glycol, alcohol, and oils |
| Solubility in ethanol |
- |
| Boiling point (°C) |
128 |
| Assay min % |
93% (min. 98% named cpd + methylpentanediones) |
| Acid value max |
- |
| Refractive index |
1.409-1.419 |
| Specific gravity |
0.930-0.950 |
| Other requirements |
- |
| ID Test |
IR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/412.gif
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