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Online Edition: "Specifications for Flavourings"
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| Flavouring |
5-Hydroxy-2,4-decadienoic acid delta-lactone |
| Synonym(s) |
Pentyl-alpha-pyrone
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| Latest JECFA evaluation |
2000 (Session 55)
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| Status of specification |
Full |
| Chemical name |
6-Pentyl-2-pyrone
2,4-Decadien-5-olide
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| JECFA number |
245 |
| CAS number |
27593-23-3
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| FEMA number |
3696
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| COE number |
10967
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| FLAVIS number |
-
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| Molecular weight |
166.22 |
| Chemical formula |
C10H14O2
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| Physical form/odour |
liquid with a mushroom, blue cheese lactone or dairy odour |
| Solubility |
soluble in fats; insoluble in water |
| Solubility in ethanol |
- |
| Boiling point (°C) |
85 (2.5 mm Hg) |
| Assay min % |
98.7 |
| Acid value max |
- |
| Refractive index |
1.501-1.509 |
| Specific gravity |
1.000-1.009 |
| Other requirements |
- |
| ID Test |
IR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/245.gif
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