Product Name EDTA Fe 12% Other name Ferric EDTA, EDTA Ferric, Ferric ethylenediaminetetraacetic acid Appearance Light Yellow Tan Powder Formula C10H12N2O8 FeNa.3H2O Ferric Content 12% min. pH (1% solution)4 - 6 Clarity Clear Solution Product Name EDTA Fe 13% Other name Ferric EDTA, EDTA Ferric, Ferric ethylenediaminetetraacetic acid Product Name EDTA Ferric Sodium (CAS-No. 15708-41-5) Colour & Physical Form Light Yellow Tan Powder Chemical Formula C10H12N2O8 FeNa.3H2O Molecular Weight 421.14 - 6 CAS no: 15708-41-5 Copper Content 13% (+/- 0.5) as Fe