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Online Edition: "Specifications for Flavourings"
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| Flavouring |
2-Phenyl-2-butenal |
| Synonym(s) |
2-Phenyl-2-butenal
alpaa-Phenylcrotonaldehyde
2-Phenylcrotonaldehyde
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| Latest JECFA evaluation |
2004 (Session 63)
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| Status of specification |
Full |
| Chemical name |
2-Phenylbut-2(trans)-enal
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| JECFA number |
1474 |
| CAS number |
4411-89-6
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| FEMA number |
3224
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| COE number |
-
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| FLAVIS number |
05.062
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| Molecular weight |
146.19 |
| Chemical formula |
C10H10O
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| Physical form/odour |
Colourless to slightly yellow liquid; green, floral, woody |
| Solubility |
Soluble in oils; Insoluble in water |
| Solubility in ethanol |
Soluble |
| Boiling point (°C) |
177° (15 mm Hg) |
| Assay min % |
97% |
| Acid value max |
5 |
| Refractive index |
1.558-1.564 |
| Specific gravity |
1.031-1.037 |
| Other requirements |
- |
| ID Test |
NMR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/1474.gif
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