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Flavouring Ethyl isovalerate
Synonym(s) -
Latest JECFA evaluation 1997 (Session 49)
Status of specification Full
Chemical name Ethyl 3-methylbutanoate
JECFA number 196
CAS number 108-64-5  
FEMA number 2463
COE number 442
FLAVIS number -
Molecular weight 130.19 
Chemical formula C7H14O2  
Physical form/odour colourless liquid/strong, fruity, vinous, apple-like odour on dilution 
Solubility soluble in propylene glycol, 1 ml in 350 ml water; miscible with alcohol, most fixed oils 
Solubility in ethanol -
Boiling point (°C) 135
Assay min % 98.0
Acid value max 2.0
Refractive index 1.395-1.399
Specific gravity 0.862-0.866
Other requirements -
ID Test IR
Spectrum http://www.fao.org/ag/agn/jecfa-flav/img/img/196.gif



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