Amino tri (methylene phosphonic acid),ATMP,48%,52% CAS:6419-19-8,packing in 250kg drum ATMPATMP is an aqueous solution of a mino trimethylene phosphonic acid. ATMP is ... in markets. Abbreviation ATMP Molecular Formula C3H12NO9P3 Commercial Form Aqueous solution Molecular Weight 299 Chemical Abstracts Name Amino tri (methylene phosphonic acid) CAS Number ... PE drum, 250 kg net or IBC,1250 kg net ATMP