Product Name : Zinc Ammonium EDTA 9% Other Names :Ethylenediamine tetraacetic acid zinc ammonium. Zinc ammonium ethylenediamine tetraacetic acid CAS Number : 67859-51-2 Appearance : Clear, straw coloured solution free of foreign matter Chemical Form : [EDTA.Zn] (NH4)2 Physical Form :Liquid Molecular Wt.: 389.7 Zinc Content :9.0 % (+/- 0.5)