Food safety and quality
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Flavouring |
(+/-)-cis- and trans-2-Methyl-2-(4-methyl-3-pentenyl)cyclopropanecarbaldehyde |
Synonym(s) |
Cyclopropanecarboxaldehyde, 2-methyl-2-(4-methyl-3-pentenyl)-, trans-(+/-)- |
Latest JECFA evaluation |
2010 (Session 73) |
Status of specification |
Full |
Information required |
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Chemical name |
Mixture of cis-2-methyl-2-(4-methylpent-3-enyl)cyclopropane-1-carbaldehyde and trans-2-methyl-2-(4-methylpent-3-enyl)cyclopropane-1-carbaldehyde |
JECFA number |
1908 |
CAS number |
130932-16-0;97231-35-1 |
FEMA number |
4393 |
COE number |
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FLAVIS number |
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Molecular weight |
166.26 |
Chemical formula |
C11H18O |
Physical form/odour |
Colourless to slightly yellow liquid; Fruity citrus-like aroma |
Solubility |
Practically insoluble or insoluble in water |
Solubility in ethanol |
Freely soluble |
Boiling point (°C) |
219-236° |
Assay min % |
90% |
Acid value max |
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Refractive index |
1.494- 1.531 |
Specific gravity |
0.894 - 0.990 |
Other requirements |
Mixture of isomers: 90% cis, 10% trans; SC: 5-10% [2-Methyl-2-(4-methylpent-3-en-1-yl)cyclopropyl]methanol |
ID Test |
HNMR |
Spectrum |

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