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Online Edition: "Specifications for Flavourings"
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| Flavouring |
2-Oxobutyric acid |
| Synonym(s) |
alpha-Ketobutyric acid
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| Latest JECFA evaluation |
2000 (Session 55)
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| Status of specification |
Full |
| Chemical name |
2-Oxobutyric acid
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| JECFA number |
589 |
| CAS number |
600-18-0
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| FEMA number |
3723
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| COE number |
-
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| FLAVIS number |
-
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| Molecular weight |
102.09 |
| Chemical formula |
C4H6O3
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| Physical form/odour |
- |
| Solubility |
soluble in water and alcohol |
| Solubility in ethanol |
- |
| Boiling point (°C) |
80-82 (16 mm Hg) |
| Assay min % |
98 |
| Acid value max |
- |
| Refractive index |
- |
| Specific gravity |
1.200 (d20/4) |
| Other requirements |
Melting point 31-32° |
| ID Test |
IR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img_add8/589.gif
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