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P 0702 (OTTO) Poly(diallyldimethylammonium chloride) solution, average Mw <100,000, 35 wt. % in H2O, polyDDA Cas 26062-79-3 - used as a stabilizing agent in the synthesis of nanoparticles such as capped copper hexacyanoferrate (CuHCF) nanoparticles.