Pentamethyldiethylenetriamine/CAS 3030-47-5 Overview: Pentamethyldiethylenetriamine is a chemical substance with the molecular formula C9H23N3. It is a highly efficient catalyst for polyurethane soft foams and is used in the formulation of soft foam products, and can also be used as an auxiliary catalyst for hard foams to improve the fluidity of PU foams for large-capacity refrigerators....