Specification: 15% UV; 95% UV; Appearance: in brown powder Our Rotenone is natural and extracted from plant. We can also produce other specification according to the requirement of customers. If interested, please contact with me. Amy Zhang (Sales, Miss) DaXingAnLing Lingonberry Organic Foodstuffs 1 Lvshui Road, Songling District, DaXingAnLing, Heilongjiang. China Web: http://www.lgberry.com.cn/ http://www.lgberry.us/ Email: sales6@lgberry.com.cn MSN: lgberry6@hotmail.com GTALK: lgberry6@gmail.com Skype/ICQ: lgberry6