First-order linear equati on and two-compartment open model were gained. 3H-BBP was largely absorbed by male mice especially by liver and gonad,and the cumulative amounts of male mice were larger than female.

• 3H- BBP单次静脉注射后在小鼠体内呈一级动力学线性过程 ,符合二室开放模型 ,3H- BBP在雄性小鼠的组织脏器内被大量摄取 ,以肝脏及性腺居高 ,蓄积性明显高于雌性。