Diphenylpyraline (DPP; sold as Allergen, Arbid, Belfene, Diafen, Hispril, Histyn, Lergobine, Lyssipol, Mepiben, Neargal) is a first-generation antihistamine with anticholinergic effects of the diphenylpiperidine class. It is marketed in Europe for the treatment of allergies. DPP has also been found to act as a dopamine reuptake inhibitor and produces hyperactivity in rodents. It has been shown to be useful in the treatment of Parkinsonism.

CAS：147-20-6
中文别名：4-(二苯基甲氧基)-1-甲基哌啶;
英文别名：4-Benzhydryloxy-1-methyl-piperidin;Lergobine;Dayfen;4-Diphenylmethoxy-1-methyl-piperidin;Allergen;Belfene;4-benzhydryloxy-1-methylpiperidine;4-benzhydryloxy-1-methyl-piperidine;4-(diphenylmethoxy)-1-methylpiperidine;Histyn;Mepiben;Hispril;N-methyl-4-(diphenylmethoxy)piperidine;Lyssipoll;Neargal;
分子式：C19H23NO
分子量：281.392
精确质量：281.178
Psa：12.47
Logp：3.8247

EINECS号：205-686-7

密度：1.08 g/cm3
沸点：378.7ºC at 760 mmHg
闪点：111.6ºC
折射率：1.587
蒸汽压：6.18E-06mmHg at 25°C

危险品运输编码：UN 3249
海关编码：2933399090
危险类别：6.1(b)
包装等级：III