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Flavouring Dehydromenthofurolactone
Synonym(s) 3,6-Dimethyl-4,5-dihydro-6H-benzo(b)furan-2-one
Latest JECFA evaluation 2003 (Session 61)
Status of specification Full
Chemical name 5,6-Dihydro-3,6-dimethyl-4(H)-benzofuran-2-one
JECFA number 1163
CAS number 75640-26-5  
FEMA number 3755
COE number -
FLAVIS number 10.034  
Molecular weight 164.2 
Chemical formula C10H12O2  
Physical form/odour Liquid; hay and coumarin-like aroma 
Solubility Slightly soluble in water; soluble in oil 
Solubility in ethanol soluble 
Boiling point (°C) 264-266° (10 mm Hg)
Assay min % 95
Acid value max 1
Refractive index 1.542-1.548
Specific gravity 1.090-1.096
Other requirements -
ID Test IR NMR
Spectrum http://www.fao.org/ag/agn/jecfa-flav/img/img/1163.gif



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