Food safety and quality
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Flavouring |
(E,Z)-4-Methylpent-2-enoic acid |
Synonym(s) |
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Latest JECFA evaluation |
2008 (Session 69) |
Status of specification |
Full |
Information required |
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Chemical name |
4-Methyl-2-pentenoic acid |
JECFA number |
1818 |
CAS number |
10321-71-8 |
FEMA number |
4180 |
COE number |
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FLAVIS number |
08.099 |
Molecular weight |
114.14 |
Chemical formula |
C6H10O2 |
Physical form/odour |
Colourless liquid; Fatty fruity aroma |
Solubility |
Slightly soluble in water |
Solubility in ethanol |
Soluble |
Boiling point (°C) |
203-204° |
Assay min % |
98% |
Acid value max |
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Refractive index |
1.442-1.453 |
Specific gravity |
0.950-0.960 |
Other requirements |
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ID Test |
MS |
Spectrum |
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