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Online Edition: "Specifications for Flavourings"
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| Flavouring |
4-Methyl-2,3-pentanedione |
| Synonym(s) |
Acetyl isobutyryl
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| Latest JECFA evaluation |
2000 (Session 55)
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| Status of specification |
Full |
| Chemical name |
4-Methylpentane-2,3-dione
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| JECFA number |
411 |
| CAS number |
7493-58-5
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| FEMA number |
2730
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| COE number |
2043
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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 oil |
| Solubility |
- |
| Solubility in ethanol |
- |
| Boiling point (°C) |
116 |
| Assay min % |
96% |
| Acid value max |
- |
| Refractive index |
1.397-1.405 |
| Specific gravity |
0.941-0.950 (20°) |
| Other requirements |
Melting point: - 2.4° |
| ID Test |
MS |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img_add8/411.gif
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