#$%^&*AU2012205214A120120809.pdf#####C:\NRPonbhN)CC\RBR\4477647_1.DOC-I$AI7/2M 2 ABSTRACT A powder formulation comprises a pharmaceutically acceptable anionic stabilizer and an aliphatic amine polymer or a pharmaceutically acceptable salt thereof mixed with the 5 anionic stabilizer. The powder formulation is conveniently packaged in a container, such as a sachet. A method of treating a subject with hyperphosphotemia with the powder formulation is also disclosed.