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Online Edition: "Specifications for Flavourings"

Flavouring Aconitic acid
Synonym(s) 2-Carboxy glutaconic acid;Citridic acid;Equisetic acid;Achelleic acid;1-Propene-1,2,3-tricarboxylic acid
Latest JECFA evaluation 2002 (Session 59)
Status of specification Full
Chemical name 1,2,3-Propenetricarboxylic acid
JECFA number 627
CAS number 499-12-7
FEMA number 2010
COE number 33
FLAVIS number
Molecular weight 174.11
Chemical formula C6H6O6
Physical form/odour colourless or yellow crystals, leaves, or plates; pleasant winey acid taste; almost odourless
Solubility soluble in water and alcohol
Solubility in ethanol
Boiling point (°C) NA
Assay min % 98% (on anhydrous basis)
Acid value max
Refractive index NA
Specific gravity NA
Other requirements mp 194-195°; Oxalate: passes test (FAO Monographs 1, Vol. 4); Tridodecylamine: max. 0.1 mg/kg
ID Test IR