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Online Edition: "Specifications for Flavourings"
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| Flavouring |
Piperitone |
| Synonym(s) |
4-Isopropyl-1-methyl-1-cyclohexen-3-one
6-isopropyl-3-methylcyclohex-2-enone
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| Latest JECFA evaluation |
2003 (Session 61)
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| Status of specification |
Full |
| Chemical name |
p-Menth-1-en-3-one
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| JECFA number |
435 |
| CAS number |
6091-50-5
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| FEMA number |
2910
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| COE number |
2052
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| FLAVIS number |
07-175
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| Molecular weight |
152.24 |
| Chemical formula |
C10H16O
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| Physical form/odour |
clear, light yellowish to yellow liquid |
| Solubility |
insoluble in water; soluble in alcohol |
| Solubility in ethanol |
- |
| Boiling point (°C) |
233-235 |
| Assay min % |
94 |
| Acid value max |
- |
| 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 |
http://www.fao.org/ag/agn/jecfa-flav/img/img/435.gif
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