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Online Edition: "Specifications for Flavourings"
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| Flavouring |
1-Methyl-1-cyclopenten-3-one |
| Synonym(s) |
3-Methyl-2-cyclopenten-1-one
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| Latest JECFA evaluation |
2002 (Session 59)
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| Status of specification |
Full |
| Chemical name |
3-Methylcyclopent-2-en-1-one
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| JECFA number |
1105 |
| CAS number |
2758-18-1
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| FEMA number |
3435
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| COE number |
11137
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| FLAVIS number |
-
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| Molecular weight |
96.12 |
| Chemical formula |
C6H8O
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| Physical form/odour |
Pale straw-coloured liquid; warm-spicy, sweet-floral and diffusive yet quite tenaceous odour |
| Solubility |
soluble in water; soluble in oil |
| Solubility in ethanol |
Miscible at room temperature |
| Boiling point (°C) |
74° (15 mm Hg) |
| Assay min % |
98 |
| Acid value max |
- |
| Refractive index |
1.485-1.491 |
| Specific gravity |
0.968-0.975 |
| Other requirements |
- |
| ID Test |
NMR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/1105.gif
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