Food safety and quality: details

Flavouring	l-Malic acid
Synonym(s)	Hydroxysuccinic acid;2-Hydroxybutanedioic acid
Latest JECFA evaluation	2018 (Session 86)
Status of specification	Full
Information required
Chemical name	2-Hydroxybutanedioic acid
JECFA number	619
CAS number	97-67-6
FEMA number	2655
COE number	17
FLAVIS number
Molecular weight	134.09
Chemical formula	C4H6O5
Physical form/odour	white crystalline powder, granules, or needles; acid taste; odourless or having a very faint caramellic acrid odour and a tart aciduous taste
Solubility	soluble in water and alcohol; 1 gm in 0.8 ml water
Solubility in ethanol	1 g in 1.4 ml alcohol
Boiling point (°C)	NA
Assay min %	99%
Acid value max
Refractive index	NA
Specific gravity	NA
Other requirements	Melting point: 100°; Fumaric Acid: max. 1.0%; Heavy Metals: max 10 ppm; Maleic acid: max. 0.05%; Residue on Ignition: max 0.1 %; Water Insoluble Matter: max. 0.1%
ID Test	IR
Spectrum