The present invention relates to di-pidotimod benzathine. In particular, it relates to di-pidotimod benzathine in solid form such as in crystalline or amorphous； specific polymorphs are also disclosed such as Form M, Form H and hydrate Form H of di-pidotimod benzathine. In an additional aspect of the invention, solvates and cocrystals of hydrate Form H di-pidotimod benzathine are provided. In a further aspect of the invention, variable isopropanol solvates； variable ethanol solvates； variable hydrates； and a particular anhydrate are provided. Particular solid forms include variable isopropanol solvates Form J and Form O of di-pidotimod benzathine； variable ethanol solvates Form S and Form W of di-pidotimod benzathine； variable hydrate Form X of di-pidotimod benzathine； and anhydrate Form T of di-pidotimod benzathine. In further aspects of the invention, processes for making such solid forms are provided. In additional aspects of the invention, methods of treating infections or inflammatory diseases using one or more of such solid forms are provided.本發明係與二-匹多莫德苄乙二胺有關。特別地，其係與二-匹多莫德苄乙二胺之例如結晶或非晶質物質的固體型有關；本發明也揭露二-匹多莫德苄乙二胺之例如M型、H型與水合H型的特定的多形體。在本發明之另外的態樣中，提供了水合H型二-匹多莫德苄乙二胺的溶劑合物與共結晶物。在本發明的進一步態樣中，提供了可變異丙醇溶劑合物；可變乙醇溶劑合物；可變水合物；以及一特定無水物。特定的固體型包括有二-匹多莫德苄乙二胺的可變異丙醇溶劑合物J型和O型；二-匹多莫德苄乙二胺的可變乙醇溶劑合物S型和W型；二-匹多莫德苄乙二胺的可變水合物X型；以及二-匹多莫德苄乙二胺的無水物T型。在本發明的進一步態樣中，提供了用於製備此等固體型之方法。在本發明之另外態樣中，提供了使用一或多種此等固體型，來治療感染或炎性疾病的方法。
