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Online Edition: "Specifications for Flavourings"
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| Flavouring |
Butyl levulinate |
| Synonym(s) |
n-Butyl acetopropionate
n-Butyl gamma-ketovalerate
n-Butyl levulinate
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| Latest JECFA evaluation |
2002 (Session 59)
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| Status of specification |
Full |
| Chemical name |
Butyl 4-oxovalerate
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| JECFA number |
608 |
| CAS number |
2052-15-5
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| FEMA number |
2207
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| COE number |
374
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| FLAVIS number |
-
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| Molecular weight |
172.23 |
| Chemical formula |
C9H16O3
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| 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 |
- |
| Boiling point (°C) |
238 |
| Assay min % |
97 |
| Acid value max |
1.0 |
| Refractive index |
1.423-1.433 |
| Specific gravity |
0.967-0.977 |
| Other requirements |
- |
| ID Test |
IR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/608.gif
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