Food safety and quality
| share

Online Edition: "Specifications for Flavourings"

Flavouring 2-Phenyl-2-butenal
Synonym(s) 2-Phenylcrotonaldehyde;alpaa-Phenylcrotonaldehyde;2-Phenyl-2-butenal
Latest JECFA evaluation 2004 (Session 63)
Status of specification Full
Chemical name 2-Phenylbut-2(trans)-enal
JECFA number 1474
CAS number 4411-89-6
FEMA number 3224
COE number
FLAVIS number 05.062
Molecular weight 146.19
Chemical formula C10H10O
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