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DMAPA 99.5% CAS 109-55-7 at best price from China
Where to buy bulk quantity N,N′-Dimethyl-1,3-Propanediamine (DMAPA CAS 109-55-7) at competitive price from China? DMAPA 99.5%MIN is colorless transparent liquid, highly flammable. Water soluble. N,N-Dimethyl-1,3-propylenediamine is a useful catalyst for Knoevenagel condensation. It is also a useful hardening agent for expoxy resin. TNJ Chemical is professional supplier of DMAPA from China.