Name:NicBase Nicotine content:72-100mg/ml Ingredients:pure nicotine 99.7% USP/EP .CAS NO.:54-11-5 Pure pharmaceutical propylene glycol(PG) CAS NO.57-55-6 Pure pharmmaceutical vegetable glycerine(VG)CAS NO.56-81-5 Protection against oxidation :Manufactured and closed under nitrogen environment Origin:Enshi City,Hubei Province,China Manufacturer :Hubei Heno Biological Engineering Co., Ltd.