The present invention provides, among other things, pre-lyophilization formulations, reconstituted formulations, and lyophilate powder compositions comprising a Factor IX (FIX) polypeptide. The present invention also provides lyophilization methods for producing lyophilate powder comprising a FIX polypeptide.本發明尤其提供包含因子IX(FIX)多肽之預凍乾調配物、復原調配物及凍乾物粉末組合物。本發明亦提供用於生產包含FIX多肽之凍乾物粉末的凍乾法。