Food safety and quality: details

Flavouring	Digeranyl ether
Synonym(s)	1,1'-oxybis(3,7-dimethyl-(2E)-octadiene);(2E,6E)-1,1'-oxybis(3,7-dimethyl-2,6-octadiene);(E,E)-geranyl neryl ether
Latest JECFA evaluation	2012 (Session 76)
Status of specification	Full
Information required
Chemical name	(2E)-1-[(2E)-3,7-Dimethylocta-2,6-dienoxy]-3,7-dimethylocta-2,6-diene
JECFA number	2142
CAS number	31147-36-1
FEMA number	4664
COE number
FLAVIS number	03.024
Molecular weight	290.48
Chemical formula	C20H34O
Physical form/odour	Clear colourless to pale yellow liquid; clean floral balsamic aroma
Solubility	Practically insoluble to insoluble in water
Solubility in ethanol	Soluble
Boiling point (°C)	371-373º (decomposes)
Assay min %	95%
Acid value max
Refractive index	1.477- 1.487
Specific gravity	0.867- 0.876
Other requirements
ID Test	MS HNMR CNMR
Spectrum