AVA Chemicals [P] Ltd. Offers Liquid Trisodium Nitrilotri Acetic Acid. AVA Chemicals [P] Ltd. Is an ISO 9001:2000 certified company. Liquid Trisodium Nitrilotri Acetic Acid is a colorless liquid with a molecular weight of 257. The CAS Numbers of the chemical are 5064-31-3. Liquid Trisodium Nitrilotri Acetic Acid has an active content of 40 % [±1]. Ph of a 1% Solution of Liquid Trisodium Nitrilotri Acetic Acid is 10.5 to 12.0 and its chelation value is 152 mg CaCo3 / g.