Commission Regulation (EU) No 231/2012

Contents

E 534 iron tartrate

Synonyms	Iron meso-tartrate; complexation product of sodium tartrate with iron(III) chloride
Definition	Iron tartrate is manufactured by the isomerisation of L-tartrate to an equilibrium mixture of D-, L- and meso-tartrate followed by addition of iron(III) chloride.
CAS number	1280193-05-9
Chemical name	Iron(III) complexation product of D(+)-, L(-)- and meso-2,3 dihydroxybutanedioic acids
Chemical formula	Fe(OH)₂ C₄H₄O₆Na
Molecular weight	261,93
meso-tartrate	> 28 %, expressed as the anion on dry basis
D(-)- and L(+)-tartrate	> 10 %, expressed as the anion on dry basis
Iron(III)	> 8 %, expressed as the anion on dry basis
Description	Dark green aqueous solution typically comprising ca 35 % by weight complexation products
Identification	Highly soluble in water
	Positive tests for tartrate and iron
	pH of a 35 % aqueous solution of complexation products between 3,5 and 3,9
Chloride	Not more than 25 %
Sodium	Not more than 23 %
Arsenic	Not more than 3 mg/kg
Lead	Not more than 2 mg/kg
Mercury	Not more than 1 mg/kg
Oxalate	Not more than 1,5 % expressed as oxalate on dry basis