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Online Edition: "Specifications for Flavourings"

Flavouring 4-Methyl-2-oxopentanoic acid, sodium salt
Synonym(s) Sodium 4-methyl-2-oxopentanoate;Oxopentanoate, 4-methyl-2-oxo-, sodium salt;Sodium 4-methyl-2-ketopentanoate;Valeric acid, 4-methyl-2-oxo, sodium salt
Latest JECFA evaluation 2007 (Session 68)
Status of specification Full
Chemical name Sodium 4-methyl-2-oxovalerate
JECFA number 633.1
CAS number 4502-00-5
FEMA number 3871
COE number
FLAVIS number 08.052
Molecular weight 152.1
Chemical formula C6H9NaO3
Physical form/odour White powder; slight fruity aroma
Solubility Soluble in water
Solubility in ethanol Soluble
Boiling point (°C) NA
Assay min % 99%
Acid value max
Refractive index NA
Specific gravity NA
Other requirements