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Flavouring beta-Naphthyl isobutyl ether
Synonym(s) Fragarol
2-Isobutoxynaphthalene
Isobutyl 2-naphthyl ether
Isobutyl beta-naphthyl ether
beta-Naphthol isobutyl ether
Nerolin fragarol
Latest JECFA evaluation 2003 (Session 61)
Status of specification Full
Chemical name 2-(2-Methylpropoxy)naphthalene
JECFA number 1259
CAS number 2173-57-1  
FEMA number 3719
COE number -
FLAVIS number 04.054  
Molecular weight 200.28 
Chemical formula C14H16O  
Physical form/odour White crystal leaves, sweet, fruity, delicately neroli-orange blossom floral aroma 
Solubility Insoluble in water, soluble in oils 
Solubility in ethanol soluble 
Boiling point (°C) -
Assay min % 98
Acid value max 1
Refractive index -
Specific gravity -
Other requirements mp: 33°
ID Test NMR
Spectrum http://www.fao.org/ag/agn/jecfa-flav/img/img/1259.gif



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