Ferrous lactate, or iron(ii) lactate, is a chemical compound consisting of one atom of iron (fe2+) and two lactate anions. It has the chemical formula fe(c3h5o3)2.
It is used as a food additive with e number e585. It is an acidity regulator and colour retention agent, and is also used to fortify foods with iron.
Cas no 5905-52-2
E number E585
Molar mass 233.99 g/mol
Ferrous lactate fcc
S.No Test Specification Reference
1 Description Green-white powder or crystals Fcc
2 Solubility Sparingly soluble in water and practically insoluble in ethanol. Fcc
3 Identification: Fcc
A. Tests for lactate Shall pass the test Fcc
B. Tests for iron Shall pass the test Fcc
4 Ph Between 5.0 and 6.0 Fcc
5 Chloride Not more than 0.1% Fcc
6 Ferric iron Not more than 0.2% Fcc
7 Lead Not more than 1 mg/kg Fcc
8 Optical (specific) rotation + 6.0⺠to + 11.0⺠Fcc
9 Oxalic acid Shall pass the test Fcc
10 Sulfate Not more than 0.1% Fcc
11 Water content Between 12.0 % and 14.0 % (dihydrate) Fcc
Between 18.0 % - 20.0 % (trihydrate) Fcc
12 Assay as c6h10feo6 97.0% to 100.5% Fcc
(on anhydrous basis)
