AVA Chemicals [P] Ltd. Offers Liquid Tetra Sodium Salt of Ethylene Diamine Tetra Acetic Acid. AVA Chemicals [P] Ltd. Is an ISO 9001:2000 certified company. Liquid Tetra Sodium Salt of Ethylene Diamine Tetra Acetic Acid is a liquid form of chemical and can be Pale Straw in colorless and can be colorless as well. The molecular weight of Liquid Tetra Sodium Salt of Ethylene Diamine Tetra Acetic Acid is 380.20. The active content of the chemical is 40% [± 1]. Ph of a 1% Solution of Liquid Tetra Sodium Salt of Ethylene Diamine Tetra Acetic Acid ranges from 10.5 to 11.5. Its chelation value is 100 mg CaCo3 / g.