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)
