Food safety and quality
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Flavouring |
2-Pentyl-1-buten-3-one |
Synonym(s) |
3-Methylene-2-octanone |
Latest JECFA evaluation |
2002 (Session 59) |
Status of specification |
Full |
Information required |
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Chemical name |
3-Methyleneoctan-2-one |
JECFA number |
1149 |
CAS number |
63759-55-7 |
FEMA number |
3725 |
COE number |
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FLAVIS number |
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Molecular weight |
140.22 |
Chemical formula |
C9H16O |
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 |
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Refractive index |
1.437-1.442 |
Specific gravity |
0.808-0.814 |
Other requirements |
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ID Test |
IR NMR |
Spectrum |
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