AVA Chemicals [P] Ltd. Manufactures Penta Sodium Salt Diethylene Triamine Penta Acetic Acid. AVA Chemicals [P] Ltd. Is an ISO 9001:2000 certified company. Penta Sodium Salt Diethylene Triamine Penta Acetic Acid is a clear colorless liquid and has a molecular weight of 503. The Active Content is minimum 40 %. Ph of a 1% Solution of Penta Sodium Salt Diethylene Triamine Penta Acetic Acid is 11 to 12. Its Chelation Value is 80 mg CaCo3 / g.