AVA Chemicals [P] Ltd. Manufactures a range of Micronutrients chemicals which includes Calcium Ethylene Diamine Tetra Acetic Acid. AVA Chemicals [P] Ltd. Is an ISO 9001:2000 certified company. Calcium Ethylene Diamine Tetra Acetic Acid is also known as Calcium EDTA or Chelated Calcium. It is and off White colored Powder and the CAS numbers of the chemical are 62-33-9. Molecular weight of Calcium Ethylene Diamine Tetra Acetic Acid is 410.20. The assay of this chemical is minimum is 98. Ph of a 1% Solution of Calcium Ethylene Diamine Tetra Acetic Acid is 6.80. The calcium content of the Calcium Ethylene Diamine Tetra Acetic Acid is minimum 10%.