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Online Edition: "Specifications for Flavourings"
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| Flavouring |
Isobutyl alcohol |
| Synonym(s) |
Isobutanol
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| Latest JECFA evaluation |
2000 (Session 55)
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| Status of specification |
Full |
| Chemical name |
2-Methylpropanol
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| JECFA number |
251 |
| CAS number |
78-83-1
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| FEMA number |
2179
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| COE number |
49
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| FLAVIS number |
-
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| Molecular weight |
74.12 |
| Chemical formula |
C4H10O
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| Physical form/odour |
colourless, mobile liquid with a penetrating, winey odour |
| Solubility |
miscible with alcohol, ether; soluble in water 1 ml in 140 ml |
| Solubility in ethanol |
- |
| Boiling point (°C) |
108 |
| Assay min % |
98 |
| Acid value max |
2.0 |
| Refractive index |
1.392-1.398 |
| Specific gravity |
0.799-0.801 |
| Other requirements |
- |
| ID Test |
IR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/251.gif
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