Food safety and quality
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Flavouring |
2-Methyl-2-pentenal |
Synonym(s) |
2,4-Dimethyl crotonaldehyde;alpha-methyl-beta-Ethyl acrolein |
Latest JECFA evaluation |
2003 (Session 61) |
Status of specification |
Full |
Information required |
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Chemical name |
2-Methyl-2-pentenal |
JECFA number |
1209 |
CAS number |
623-36-9 |
FEMA number |
3194 |
COE number |
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FLAVIS number |
05.090 |
Molecular weight |
98.15 |
Chemical formula |
C6H10O |
Physical form/odour |
colourless to yellow-green mobile liquid; powerful grassy green, slightly fruity aroma |
Solubility |
Insoluble in water; soluble in ether, benzene, methanol |
Solubility in ethanol |
soluble |
Boiling point (°C) |
137° |
Assay min % |
92% |
Acid value max |
3 |
Refractive index |
1.445-1.453 |
Specific gravity |
0.855-0.865 |
Other requirements |
SC: propionaldehyde, propionic acid |
ID Test |
IR MS |
Spectrum |
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