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Online Edition: "Specifications for Flavourings"
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| Flavouring |
4-Hydroxy-3-pentenoic acid lactone |
| Synonym(s) |
alpha-Angelica lactone
Pent-3-en-1,4-lactone
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| Latest JECFA evaluation |
1998 (Session 51)
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| Status of specification |
Full |
| Chemical name |
3-Penten-4-olide
5-Methyl-2(3H)-furanone
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| JECFA number |
221 |
| CAS number |
591-12-8
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| FEMA number |
3293
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| COE number |
731
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| FLAVIS number |
-
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| Molecular weight |
98.1 |
| Chemical formula |
C5H6O2
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| Physical form/odour |
clear, light to dark yellow liquid with a sweet herbaceous odour reminiscent of tobacco |
| Solubility |
soluble in alcohol, slightly soluble in water |
| Solubility in ethanol |
- |
| Boiling point (°C) |
167-170 |
| Assay min % |
95.0 |
| Acid value max |
- |
| Refractive index |
1.443-1.451 |
| Specific gravity |
1.084 (20°/20°) |
| Other requirements |
- |
| ID Test |
IR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/221.gif
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