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Online Edition: "Specifications for Flavourings"
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| Flavouring |
2-Pentyl-1-buten-3-one |
| Synonym(s) |
3-Methylene-2-octanone
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| Latest JECFA evaluation |
2002 (Session 59)
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| Status of specification |
Full |
| Chemical name |
3-Methyleneoctan-2-one
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| JECFA number |
1149 |
| CAS number |
63759-55-7
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| FEMA number |
3725
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| COE number |
-
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| FLAVIS number |
-
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| Molecular weight |
140.22 |
| Chemical formula |
C9H16O
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| Physical form/odour |
Pale yellow liquid; musty, mushroom odour |
| Solubility |
insoluble in water; soluble in fats |
| Solubility in ethanol |
Miscible at room temperature |
| Boiling point (°C) |
81° (31 mm Hg) |
| Assay min % |
96 |
| Acid value max |
- |
| Refractive index |
1.437-1.442 |
| Specific gravity |
0.808-0.814 |
| Other requirements |
- |
| ID Test |
IR NMR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/1149.gif
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