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Food safety and quality
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| |
| Flavouring |
4,5-Octanedione |
| Synonym(s) |
Bibutyryl;4,5-Octadione;Dipropyl diketone;Di-n-butyryl |
| Latest JECFA evaluation |
2010 (Session 73) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
octane-4,5-dione |
| JECFA number |
2037 |
| CAS number |
5455-24-3 |
| FEMA number |
4533 |
| COE number |
|
| FLAVIS number |
|
| Molecular weight |
142.2 |
| Chemical formula |
C8H14O2 |
| Physical form/odour |
Yellow liquid; At high concentration powerful pungent, fatty buttery aroma; upon dilution pleasant creamy-buttery aroma |
| Solubility |
Practically insoluble or insoluble in water |
| Solubility in ethanol |
Soluble |
| Boiling point (°C) |
68-70° (20 mm Hg) |
| Assay min % |
95% |
| Acid value max |
|
| Refractive index |
1.414-1.424 |
| Specific gravity |
0.908-0.918 (20°) |
| Other requirements |
|
| ID Test |
MS |
| Spectrum |
 
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