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Online Edition: "Specifications for Flavourings"
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| Flavouring |
Pyruvic acid |
| Synonym(s) |
Acetylformic acid
2-Ketopropionic acid
Pyroracemic acid
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| Latest JECFA evaluation |
2001 (Session 57)
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| Status of specification |
Full |
| Chemical name |
2-Oxopropanoic acid
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| JECFA number |
936 |
| CAS number |
127-17-3
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| FEMA number |
2970
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| COE number |
19
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| FLAVIS number |
-
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| Molecular weight |
88.06 |
| Chemical formula |
C3H4O3
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| Physical form/odour |
colourless to amber viscous liquid with a sour vinegar-like odour |
| Solubility |
miscible with water; soluble in organic solvents, oils |
| Solubility in ethanol |
miscible at room temperature |
| Boiling point (°C) |
164 |
| Assay min % |
95 |
| Acid value max |
- |
| Refractive index |
1.424-1.435 |
| Specific gravity |
1.260-1.281 |
| Other requirements |
mp: 13° |
| ID Test |
IR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/936.gif
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