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Online Edition: "Specifications for Flavourings"

Flavouring Fumaric acid
Synonym(s) Allomaleic acid;Boletic acid;(E)-Butenedioic acid;(E)-1,2-Ethylenedicarboxylic acid
Latest JECFA evaluation 2000 (Session 55)
Status of specification Full
Chemical name 2(trans)-Butenedioic acid
JECFA number 618
CAS number 110-17-8
FEMA number 2488
COE number 25
FLAVIS number
Molecular weight 116.07
Chemical formula C4H4O4
Physical form/odour white odourless granules or leafy crystals; virtually odourless with tart acid taste
Solubility insoluble to slightly soluble in water; soluble in alcohol; slightly soluble in oils.
Solubility in ethanol
Boiling point (°C) NA
Assay min % 99.5%
Acid value max
Refractive index NA
Specific gravity NA
Other requirements Heavy Metals: max. 10 ppm; Maleic acid: max 0.1%; Water: max. 0.5%; Residue on Ignition: max. 0.1%; sublimes at 200°
ID Test MS