What is it?
N,N-diphenyl-4-phenylenediamine is used as an antioxidant for rubber, oils and feedstuffs.

How can I avoid it?
Avoidance requires reading the product labels, package inserts, Safety Data Sheets (SDS), and on occasion, direct communication with the manufacturer.

Antidegradant for:
  • Nitrile-butadiene rubber
  • Natural
  • Styrene-butadiene
  • Isoprene
  • Butadiene
  • Chloroprene rubbers
In black rubber mix
Antioxidant for:
  • Rubber
  • Petrolatum oils
  • Feedstuffs
Used to retard copper degradation
Intermediate for:
  • Dyes
  • Drugs
  • Plastics
  • Detergents
  • Veterinary medicine

Other names for N,N-diphenyl-4-phenylenediamine:
• A gerite DPPD
• 1,4-Dianilinobenzene
• Flexamine G
• Nonox
• Diphenyl PPD
• p-Phenylaminodiphenylamine
• p-Phenylenediphenyldiamine
• N,N-diphenyl-p-phenylenediamine

Potential cross-reacting/co-reacting substances:
• p-Phenylenediamine

How safe is it?

Hang tight. We're thinking.