Division DESCRIPTION

United Kingdom

Ferric Sodium EDTA (ethylenediaminetetraacetic acid) is an odourless free-flowing, yellow to brown powder with a chemical purity of more than 99 % (w/w). It is freely soluble in water.

CAS No

18154-32-0 (CAS anhydrous 15708-41-5)

Chemical Formula

C₁₀H₁₂FeN₂NaO₈ * 3H₂O

Structural Formula

Chemical characteristics of Ferric Sodium EDTA without prejudice to the provisions of Regulation (EC) No 953/2009, Directive 2002/46/EC and/or Regulation (EC) No 1925/2006
pH of 1 % solution	3,5 to 5,5
Iron	12,5 % to 13,5 %
Sodium	5,5 %
Water	12,8 %
Organic matter (CHNO)	68,4 %
EDTA	65,5 % to 70,5 %
Water insoluble matter	not more than 0,1 %
Nitrilo-triacetic acid	not more than 0,1 %