N,N-Dimethyl-p-phenylenediamine, often abbreviated as DMPD, is a chemical compound with several notable properties and applications. Here's an overview:
 
Structure:   The chemical formula of N,N-Dimethyl-p-phenylenediamine is C8H12N2. It consists of a benzene ring with two methyl groups (-CH3) and two amine groups (-NH2) in the para positions relative to each other.
Physical Properties:  DMPD is typically a white to off-white crystalline solid or powder. It is sparingly soluble in water but more soluble in organic solvents like ethanol and ether.
Antioxidant: DMPD is primarily known for its antioxidant properties. It is often used as an antioxidant in the rubber industry to prevent degradation and extend the lifespan of rubber products exposed to oxygen and ozone.