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Online Edition: "Specifications for Flavourings"

Flavouring L-Aspartic acid
Synonym(s) 2-Aminobutanedioic acid;L-Aminosuccininc acid
Latest JECFA evaluation 2004 (Session 63)
Status of specification Full
Chemical name 2-Aminobutanedoic acid
JECFA number 1429
CAS number 56-84-8
FEMA number 3656
COE number
FLAVIS number 17.005
Molecular weight 133.1
Chemical formula C4H7O4N
Physical form/odour White crystals or crystalline powder; odourless
Solubility Slightly soluble in water; Insoluble in ether
Solubility in ethanol Insoluble
Boiling point (°C)
Assay min % 98%
Acid value max
Refractive index
Specific gravity
Other requirements mp: 270-271°; Sp.rotation = +12.2 to +13.3° (25°, 5N HCl)
ID Test MS