EDTA Ca are a stable water soluble metal chelate mainly used in agriculture and horticulture as micronutrient to prevent and correct calcium deficiencies.. Applicable in Foliage fertilizers in trickle irrigation absorbed in NPK etc.. EDTA Ca provides healthy growth to plant and maximum yield to crop.. Item code CaNa2EDTA CAS NO 62-33-9 Common Name Chelated Calcium EDTA Molecular formula CoNa2EDTA Molecular weight ---- Description Off white powder % as Calcium 10 % min