Food safety and quality
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Flavouring |
5-Methyl-5-hexen-2-one |
Synonym(s) |
Isobutylidene acetone |
Latest JECFA evaluation |
2002 (Session 59) |
Status of specification |
Full |
Information required |
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Chemical name |
5-Methylhex-5-en-2-one |
JECFA number |
1119 |
CAS number |
489673 |
FEMA number |
3365 |
COE number |
11150 |
FLAVIS number |
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Molecular weight |
112.17 |
Chemical formula |
C7H12O |
Physical form/odour |
Colourless to pale yellow liquid; strong fatty, green citrus-like odour |
Solubility |
insoluble in water; soluble in fats |
Solubility in ethanol |
Miscible at room temperature |
Boiling point (°C) |
148-149° |
Assay min % |
97% |
Acid value max |
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Refractive index |
1.428-1.433 |
Specific gravity |
0.862-0.868 |
Other requirements |
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ID Test |
NMR |
Spectrum |
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