high purity and stable and safe,competitive price 2,2'-azobis(2-methylpropionamide) dihydrochloride,AIBA,water soluble azo initiator, 98%,free of cyano groupSpecification: ... treatment chemicalsPAM,PPMA,DMDAACPoly acrylic acidpoly acrylnitrileemulsion polymeriationkraft polymerizationphoto polymerization 2,2'-azobis(2-methylpropionamide) dihydrochloride,AIBA,water soluble azo initiator, 98%