The present invention relates to crystalline forms of pyrroloquinoline quinone disodium salt. The present invention provides crystalline Form A and crystalline Form B of pyrroloquinoline quinone disodium salt, and the methods and uses for the preparation thereof. The X-ray powder diffraction patterns of crystalline Form A and crystalline Form B are as shown by FIG.
1
and FIG.
5
, respectively. The crystalline forms of the present invention have low moisture absorption and high stability, as well as excellent use and storage performances.
本发明涉及
吡咯喹啉喹啉醌二钠盐的晶体形式。本发明提供了
吡咯喹啉喹啉醌二钠盐的晶体A形和晶体B形,以及其制备的方法和用途。晶体A形和晶体B形的X射线粉末衍射图谱分别如图1和图5所示。本发明的晶体形式具有低吸湿性和高稳定性,以及出色的使用和储存性能。