To provide a novel crystal of 5-aminolevulinic acid phosphate having a high thermal stability, a high melting point, and an excellent moisture absorption resistance as well as a process for producing the same.
A crystal of 5-aminolevulinic acid phosphate, which shows characteristic peaks at 7.9° ±0.2°, 15.8° ±0.2°, 18.9° ±0.2°, 20.7° ±0.2°, 21.1° ±0.2°, 21.4° ±0.2°, 22.9° ±0.2°, 33.1° ±0.2°, and 34.8 ±0.2° as diffraction angles 2θ in a powder X-ray diffraction, and a process for producing the same.
提供一种具有高热稳定性、高熔点和优异吸湿性的新型 5-
氨基酮
戊酸磷酸酯晶体及其生产工艺。
一种 5-
氨基酮
戊酸磷酸酯晶体在 7.9°±0.2°、15.8°±0.2°、18.9°±0.2°、20.7°±0.2°、21.1°±0.2°、21.4°±0.2°、22.9°±0.2°、33.1°±0.2°和34.8±0.2°作为粉末 X 射线衍射中的衍射角 2θ,以及生产该衍射角的工艺。