AVA Chemicals [P] Ltd. Offers Chelated Manganese Ethylene Diamine Tetra Acetic Acid. AVA Chemicals [P] Ltd. Is an ISO 9001:2000 certified company. Chelated Manganese Ethylene Diamine Tetra Acetic Acid is also known as Manganese EDTA chelate, Manganese EDTA, Chelated Manganese. This chemical falls under the range of AVA Chemicals [P] Ltd. Micronutrients chemicals. Chelated Manganese Ethylene Diamine Tetra Acetic Acid is Powder like chemical that possess white to slightly pinkish colors. Ph of a 1% Solution of Chelated Manganese Ethylene Diamine Tetra Acetic Acid is 6.5. Its molecular weight is 425. The percent of active ingredient is 12.30 % [± 0.5].