无臭，味苦；微有吸湿性；在空气中渐渐吸收二氧化碳，分解成苯妥英；水溶液呈碱性反应，常因部分水解而发生浑浊；溶于水和乙醇，不溶于氯仿或乙醚。 Product Describtion: 5,5-Diphenylhydantoin sodium salt is a derivative of phenytoin. 5,5-Diphenylhydantoin is used for treating epilepsy and has antiepileptic activity. It functions by blocking the sodium channels and modulates excitation of neurons. However, the side effects include hypertrichosis and overgrowth of gum tissue around the teeth. It promotes proliferation of the neural stem cells by modulating growth factors. Diphenylhydantoin is toxic and induces apoptosis in cultured cerebellar granule neurons. Product Application： 5,5-Diphenylhydantoin sodium salt has been used in the cream preparation for treating burn wounds，in seizure behavior testing as an anticonvulsant in Drosophila，in in vivo embryo toxicity test in mouse embryonic stem cells.