Food safety and quality
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Flavouring |
4-Phenyl-3-buten-2-one |
Synonym(s) |
Methyl styryl ketone;Benzylideneacetone |
Latest JECFA evaluation |
2001 (Session 57) |
Status of specification |
Full |
Information required |
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Chemical name |
4-Phenyl-2-buten-2-one |
JECFA number |
820 |
CAS number |
122-57-6 |
FEMA number |
2881 |
COE number |
158 |
FLAVIS number |
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Molecular weight |
146.19 |
Chemical formula |
C10H10O |
Physical form/odour |
colourless to slightly yellow crystalline solid with a sweet, pungent, creamy, floral odour |
Solubility |
insoluble in water; soluble in organic solvents, oils |
Solubility in ethanol |
very soluble |
Boiling point (°C) |
260° |
Assay min % |
97% |
Acid value max |
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Refractive index |
NA |
Specific gravity |
NA |
Other requirements |
mp: 39-42° |
ID Test |
IR |
Spectrum |
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