Food safety and quality
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Flavouring |
Butyl levulinate |
Synonym(s) |
n-Butyl levulinate;n-Butyl gamma-ketovalerate;n-Butyl acetopropionate |
Latest JECFA evaluation |
2002 (Session 59) |
Status of specification |
Full |
Information required |
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Chemical name |
Butyl 4-oxovalerate |
JECFA number |
608 |
CAS number |
2052-15-5 |
FEMA number |
2207 |
COE number |
374 |
FLAVIS number |
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Molecular weight |
172.23 |
Chemical formula |
C9H16O3 |
Physical form/odour |
colourless or straw-colored liquid; sweet and slightly pungent caramellic odour with fruity undertones; mild sweet caramellic-herbaceous taste; bitter taste |
Solubility |
slightly soluble in water; soluble in oil and alcohol |
Solubility in ethanol |
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Boiling point (°C) |
238° |
Assay min % |
97% |
Acid value max |
1 |
Refractive index |
1.423-1.433 |
Specific gravity |
0.967-0.977 |
Other requirements |
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ID Test |
IR |
Spectrum |
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