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Online Edition: "Specifications for Flavourings"

Flavouring 1-Hydroxy-4-methyl-2-pentanone
Synonym(s) 2-Pentanone, 1-hydroxy-4-methyl-
Latest JECFA evaluation 2010 (Session 73)
Status of specification Full
Chemical name 1-hydroxy-4-methylpentan-2-one
JECFA number 1952
CAS number 68113-55-3
FEMA number 4463
COE number
FLAVIS number
Molecular weight 116.16
Chemical formula C6H12O2
Physical form/odour Colourless clear liquid; Strong ethereal-fruity aroma
Solubility Practically insoluble or insoluble in water
Solubility in ethanol Soluble
Boiling point (°C) 221-222°
Assay min % 95%
Acid value max
Refractive index 1.427-1.433
Specific gravity 0.952-0.958 (20°)
Other requirements
ID Test MS
Spectrum