Food safety and quality
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Flavouring |
Propyl pyruvate |
Synonym(s) |
Pyruvic acid, propyl ester;Propanoic acid, 2-oxo-, propyl ester |
Latest JECFA evaluation |
2010 (Session 73) |
Status of specification |
Full |
Information required |
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Chemical name |
propyl 2-oxopropanoate |
JECFA number |
1946 |
CAS number |
20279-43-0 |
FEMA number |
4484 |
COE number |
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FLAVIS number |
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Molecular weight |
130.14 |
Chemical formula |
C6H10O3 |
Physical form/odour |
Colourless to pale yellow liquid; Sweet carmelling, floral aroma |
Solubility |
Practically insoluble or insoluble in water |
Solubility in ethanol |
Soluble |
Boiling point (°C) |
168-170° |
Assay min % |
98% |
Acid value max |
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Refractive index |
1.406-1.414 |
Specific gravity |
1.012-1.020 (20°) |
Other requirements |
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ID Test |
MS |
Spectrum |
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