... complete phosphorous chemical industrial chain, with competitive prices. Amino Trimethylene Phosphonic Acid (ATMP)CAS No.: 6419-19-8Molecular Formula: N(CH2PO3H2) ... ppm2020Usage:ATMP is usually used together with organophosp horic acid, polycarboxylic acid and salt to built all organic alkaline water treatment ... and skin, once contacted, flush with water. Amino Trimethylene Phosphonic Acid (ATMP)