Food safety and quality
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Flavouring |
Isobutyl propionate |
Synonym(s) |
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Latest JECFA evaluation |
1997 (Session 49) |
Status of specification |
Full |
Information required |
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Chemical name |
2-Methylpropyl propanoate |
JECFA number |
148 |
CAS number |
540-42-1 |
FEMA number |
2212 |
COE number |
406 |
FLAVIS number |
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Molecular weight |
130.18 |
Chemical formula |
C7H14O2 |
Physical form/odour |
colourless to pale yellow liquid with an odour reminiscent of rum & pineapple |
Solubility |
miscible with alcohol; soluble in most organic solvents; insoluble in water |
Solubility in ethanol |
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Boiling point (°C) |
137-138° |
Assay min % |
95.0% |
Acid value max |
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Refractive index |
1.395-1.400 |
Specific gravity |
0.861-0.867 |
Other requirements |
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ID Test |
IR |
Spectrum |
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