Food safety and quality
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Flavouring |
4-Hydroxy-3-pentenoic acid lactone |
Synonym(s) |
Pent-3-en-1,4-lactone;alpha-Angelica lactone |
Latest JECFA evaluation |
1998 (Session 51) |
Status of specification |
Full |
Information required |
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Chemical name |
3-Penten-4-olide;5-Methyl-2(3H)-furanone |
JECFA number |
221 |
CAS number |
591-12-8 |
FEMA number |
3293 |
COE number |
731 |
FLAVIS number |
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Molecular weight |
98.1 |
Chemical formula |
C5H6O2 |
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 |
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Boiling point (°C) |
167-170° |
Assay min % |
95.0% |
Acid value max |
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Refractive index |
1.443-1.451 |
Specific gravity |
1.084 (20°/20°) |
Other requirements |
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ID Test |
IR |
Spectrum |
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