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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 |
|
| Chemical name |
Pent-1-en-3-one |
| JECFA number |
1147 |
| CAS number |
1629-58-9 |
| FEMA number |
3382 |
| COE number |
11179 |
| FLAVIS number |
|
| 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 |
|
| Refractive index |
1.417-1.422 |
| Specific gravity |
0.842-0.848 |
| Other requirements |
|
| ID Test |
NMR |
| Spectrum |
 
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