Food safety and quality
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Flavouring |
Piperitone |
Synonym(s) |
6-isopropyl-3-methylcyclohex-2-enone;4-Isopropyl-1-methyl-1-cyclohexen-3-one |
Latest JECFA evaluation |
2003 (Session 61) |
Status of specification |
Full |
Information required |
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Chemical name |
p-Menth-1-en-3-one |
JECFA number |
435 |
CAS number |
6091-50-5 |
FEMA number |
2910 |
COE number |
2052 |
FLAVIS number |
07-175 |
Molecular weight |
152.24 |
Chemical formula |
C10H16O |
Physical form/odour |
clear, light yellowish to yellow liquid |
Solubility |
insoluble in water; soluble in alcohol |
Solubility in ethanol |
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Boiling point (°C) |
233-235° |
Assay min % |
94% |
Acid value max |
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Refractive index |
1.483-1.487 |
Specific gravity |
0.929-0.934 |
Other requirements |
mp (l-isomer): -29°; optical Rotation: d-,+ 49° at 20°; l-, - 67° to - 51°; SC: menthol, menthone |
ID Test |
IR |
Spectrum |
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