DADMAC is a high purity, aggregated, quaternary ammonium salt and high charge density cationic monomer. Its appearance is colorless and transparent liquid without irritating smell. DADMAC can be dissolved in water very easily. Its molecular formula is C8H16NC1 and its molecular weight is 161.5. There is alkenyl double bond in the molecular structure and can form linear homo polymer and all kinds of copolymers by various polymerization reaction.