We are the Unique Designated professional manufacturer for nicotine by Shaanxi Province tobacco bureau of China.And our certificates are: 1.Operational HACCP Specification MI-H02 2.ISO9001:2000 3.ISO14001:2004 4.Registration Certificate For Production of Hazardous Chemicals Product’s informationSpecification:10%-99% by USP Appearance:Colorless or shallow yellow oily liquid Detective Methold :EP6.0(Titration Method,HPLC)C A S 54-11-5 Formula C10H14N2 Usage:1)used in product Bilogical-pesticide2) Used in Quit-smoking product, just like or e-juice to refill the e-cigarette;or making nicotine gum /patch, nicotine tablets and so on.Storage: Under nitrogen, in an airtight container, protected from light