n,n'-Bis(salicylidene)-1,2-propanediamine

N,N'-Bis(salicylidene)-1,2-propanediamine, also known as SALPN, DMD, Cuvan 826, or Tenamene 60, is a Schiff base chelating compound with CAS number 94-91-7 and EC number 202-374-2. It belongs to the salen-type ligand family and carries no assigned E-code.

In pharmaceutical and biotechnology research, SALPN functions as a bidentate ligand that coordinates transition metals such as manganese, cobalt, and copper to form catalytically active complexes. These metal-SALPN complexes are applied in asymmetric synthesis and oxidation catalysis, where the ligand geometry controls enantioselectivity. It also serves as a metal chelator in formulation research to sequester trace ions that would otherwise degrade active compounds.

This compound is supplied as a powder or crystalline solid and falls under HS code 2925.29.9000. It is subject to REACH registration requirements within the EU. Procurement teams should confirm available lot sizes, purity specifications, and documentation requirements directly with the supplier.