Hay 2 tipos de polvo de benzocaína - 40mesh y 200 mesh Please leave me detail information when you want to buy it. Product name Benzocaine Alias Local anesthetic Benzocaine powder factory CAS NO. 94-09-7 MF C9H11NO2 MW 479.04 Contact Cameron– China@rawsgear.com Appearance White odourless crystals powder Price Negotiate Shipping fee Depends on the qty Shipping method UPS, DHL, FEDEX, …