... high hardness, high alkali and high concentration index. In lavation fields, it is used as chelating agent ... IBC(1000L),customers’ requirement. Storage for one year in shady room and dry place.Safety Protection:Acidity, ... PBTC;PHOSPHONOBUTANE TRICARBOXYLIC ACID;2-Phosphonobutane -1,2,4-Tricarboxylic Acid;2-Phosphonobutane-1,2,4-tricarboxylic acid PBTC; 2-Phosphonobutane -1,2,4-Tricarboxylic Acid ( ...