Food safety and quality
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Flavouring |
1-Penten-3-one |
Synonym(s) |
Ethyl vinyl ketone;Propionyl ethylene |
Latest JECFA evaluation |
2002 (Session 59) |
Status of specification |
Full |
Information required |
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Chemical name |
Pent-1-en-3-one |
JECFA number |
1147 |
CAS number |
1629-58-9 |
FEMA number |
3382 |
COE number |
11179 |
FLAVIS number |
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Molecular weight |
84.12 |
Chemical formula |
C5H8O |
Physical form/odour |
Liquid, polymerizes readily with heat or in the presence of alkali; powerful penetrating odour |
Solubility |
insoluble in water; soluble in most organic solvents |
Solubility in ethanol |
Miscible at room temperature |
Boiling point (°C) |
68-70° (200 mm Hg) |
Assay min % |
97% |
Acid value max |
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Refractive index |
1.417-1.422 |
Specific gravity |
0.842-0.848 |
Other requirements |
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ID Test |
NMR |
Spectrum |
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