Amino tri (methylene phosphonic acid),ATMP,48%,52% CAS:6419-19-8,packing in 250kg ... an aqueous solution of a mino trimethylene phosphonic acid. ATMP is widely used as a sequestering agent and calcium carbonate ... a key manufacturer of this chemical in markets. Abbreviation ATMP Molecular Formula C3H12NO9P3 Commercial Form Aqueous solution Molecular Weight 299 ... drum, 250 kg net or IBC,1250 kg net ATMP