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Online Edition: "Specifications for Flavourings"

Flavouring 2,4-Nonadienal
Synonym(s) trans,trans-2,4-Nonadienal
Latest JECFA evaluation 2003 (Session 61)
Status of specification Full
Chemical name (2E,4E)-Nona-2.4-dienal
JECFA number 1185
CAS number 1771490
FEMA number 3212
COE number
FLAVIS number 05.071
Molecular weight 138.21
Chemical formula C9H14O
Physical form/odour Slightly yellow liquid; strong, fatty, floral
Solubility soluble in fixed oils; Insoluble in water
Solubility in ethanol soluble
Boiling point (°C) 97° (10 mm Hg)
Assay min % 89%
Acid value max 2
Refractive index 1.522-1.525
Specific gravity 0.850-0.870
Other requirements SC: 2,4-nonadien-1-ol, 2-nonen-1-ol
ID Test IR