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Online Edition: "Specifications for Flavourings"
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| Flavouring |
Propyl isobutyrate |
| Synonym(s) |
-
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| Latest JECFA evaluation |
1997 (Session 49)
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| Status of specification |
Full |
| Chemical name |
n-Propyl 2-methyl propanoate
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| JECFA number |
187 |
| CAS number |
644-49-5
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| FEMA number |
2936
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| COE number |
289
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| FLAVIS number |
-
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| Molecular weight |
130.18 |
| Chemical formula |
C7H14O2
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| Physical form/odour |
colourless liquid/pineapple odour |
| Solubility |
soluble in organic solvents, alcohol; insoluble in water |
| Solubility in ethanol |
- |
| Boiling point (°C) |
134 (752 mm Hg) |
| Assay min % |
98.0 |
| Acid value max |
- |
| Refractive index |
1.395-1.396 |
| Specific gravity |
0.860-0.864 (20°/20°) |
| Other requirements |
- |
| ID Test |
IR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/187.gif
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