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Flavouring Hydroxynonanoic acid delta-lactone
Synonym(s) Nona-1,5-lactone
delta-Nonalactone
Latest JECFA evaluation 2002 (Session 59)
Status of specification Full
Chemical name 5-Nonanolide
6-Butyltetrahydro-2-pyrone
JECFA number 230
CAS number 3301-94-8  
FEMA number 3356
COE number 2194
FLAVIS number -
Molecular weight 156.22 
Chemical formula C9H16O2  
Physical form/odour colourless to pale yellow liquid with a coconut-like odour 
Solubility -
Solubility in ethanol 1 ml in 1 ml 95% alcohol 
Boiling point (°C) 250
Assay min % 98.0
Acid value max -
Refractive index 1.452-1.458
Specific gravity 0.994-0.999
Other requirements -
ID Test IR
Spectrum http://www.fao.org/ag/agn/jecfa-flav/img/img/230.gif



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