Product Name 2,2-AZOBIS (2-METHYLBUTYRONITRILE),CAS NO.: 13472-08-7 Product Description : It is a kind of Polymerization initiator for vinyl compounds Product origin : Zibo,Shandong,China Price of product ( USD price or FOB price) : USD12.8/kg FOB Qingdao port,China Key Specifications/Special Features : Appearance WHITE CRYSTAL Purity 99.0%Min. Iron (with Fe) 0.002%Max. Volatile Matter 1.00%Max. Heavy Metal (with Pb) 0.001%Max. Melting Point (â??) 48-52 Minimum Order Size and Packgaing details : Usually using 20kgs cartons or fiber drums