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Chemical risks and JECFA
Online Edition: "Specifications for Flavourings"
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About the data
Analytical Methods (Volume 4)
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Flavouring
Methyl 2-hydroxy-4-methylpentanoate
Synonym(s)
Methyl 2-hydroxyisocaproate
Latest JECFA evaluation
2003 (Session 61)
Status of specification
Full
Information required
Chemical name
Pentanoic acid, 2-hydroxy-4-methyl-, methyl ester
JECFA number
590
CAS number
40348-72-9
FEMA number
3706
COE number
FLAVIS number
09.548
Molecular weight
146.19
Chemical formula
C7H14O3
Physical form/odour
colourless liquid with sweet, fruity, musty odour
Solubility
slightly soluble in water; soluble in fat
Solubility in ethanol
Boiling point (°C)
72° (10 mm Hg)
Assay min %
99%
Acid value max
Refractive index
1.425-1.435
Specific gravity
0.951-0.957
Other requirements
ID Test
HNMR IR MS
Spectrum