Food safety and quality: details

Flavouring	Methyl 3-hydroxybutyrate
Synonym(s)	3-Hydroxybutyric acid methyl ester;Butyric acid, 3-hydroxy-, methyl ester;Butanoic acid, 3-hydroxy-, methyl ester
Latest JECFA evaluation	2010 (Session 73)
Status of specification	Full
Information required
Chemical name	methyl 3-hydroxybutanoate
JECFA number	1947
CAS number	1487-49-6
FEMA number	4450
COE number
FLAVIS number
Molecular weight	118.13
Chemical formula	C5H10O3
Physical form/odour	Colourless clear liquid; Mild apple like aroma
Solubility	Practically insoluble or insoluble in water
Solubility in ethanol	Soluble
Boiling point (°C)	158-160°
Assay min %	98%
Acid value max	1
Refractive index	1.417-1.425
Specific gravity	1.053-1.061 (20°)
Other requirements
ID Test	CNMR HNMR MS
Spectrum