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Online Edition: "Specifications for Flavourings"


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Flavouring Butyl isovalerate
Synonym(s) -
Latest JECFA evaluation 1997 (Session 49)
Status of specification Full
Chemical name Butyl 3-methylbutanoate
JECFA number 198
CAS number 109-19-3  
FEMA number 2218
COE number 444
FLAVIS number -
Molecular weight 158.24 
Chemical formula C9H18O2  
Physical form/odour colourless to pale yellow liquid/fruity odour 
Solubility soluble in organic solvents, alcohol; insoluble inwater 
Solubility in ethanol 1 ml in 1 ml 95% alcohol 
Boiling point (°C) 175
Assay min % 97.0
Acid value max 1.0
Refractive index 1.407-1.411
Specific gravity 0.856-0.859
Other requirements -
ID Test IR
Spectrum http://www.fao.org/ag/agn/jecfa-flav/img/img/198.gif



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