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Online Edition: "Specifications for Flavourings"


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Flavouring Isopropyl isovalerate
Synonym(s) Isopropyl isopentanoate
Latest JECFA evaluation 2002 (Session 59)
Status of specification Full
Chemical name Isopropyl 3-methylbutanoate
JECFA number 310
CAS number 32665-23-9  
FEMA number 2961
COE number 445
FLAVIS number -
Molecular weight 144.21 
Chemical formula C8H16O2  
Physical form/odour colourless to pale yellow liquid 
Solubility insoluble in water; soluble in most organic solvents 
Solubility in ethanol -
Boiling point (°C) 68-70° ( 55 mm Hg)
Assay min % 95
Acid value max -
Refractive index 1.394-1.399
Specific gravity 0.848-0.853 (20°)
Other requirements -
ID Test IR
Spectrum http://www.fao.org/ag/agn/jecfa-flav/img/img/310.gif



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