What is it?
N-Isopropyl-n-phenyl – PPD is a substance primarily used in the protection of rubber against oxidation and flex-cracking.

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. 

Uses:
• Anti-degradant in natural rubber:
  • Butadiene
  • Chloroprene rubber
  • Nitril-butadiene
  • Styrene-butadiene
• Clothing elastic
• Elasticized underwear and support stockings
• Eye lash curlers
• Gloves
• Lubricating oils and greases
• Orthopedic bandages
• Protective breathing masks
• Rubber boots and gloves
• Rubber cushions
• Rubber diving suit
• Rubber ear phones
• Rubberized support bandages for legs
• Scuba equipment
• Shoe soles
• Squash balls
• Tires
• Tubes, pipes, and gaskets

Other names for N-Isopropyl-n-Phenyl – PPD:
  • Akrochem antioxidant PDI
  • N-Isopropyl-N-phenyl-4-phenylene-diamine
  • Phenyl isopropyl-p-phenylenediamine
  • 1,4-Benzenediamine, N-(1-methylethyl)-N’-phenyl-
  • 4-(isopropylamino)diphenylamine
  • Akrochem Antioxidant PD1
  • ANTOH
  • Cyzone
  • Elastozone 34
  • Flexone 3C
  • IPPD
  • Isopropyl 0 PPD
  • N-(1-methylethyl)-N-phenyl-1,4-benzenediamine
  • N-2-propyl-N’-phenyl-p-phenylenediamine
  • N-isopropyl-N’-phenyl-p-phenylenediamine
  • N-phenyl-N’-isopropyl-pphenylenediamine
  • Nonoxza
  • Permanex IPPD
  • Santoflex
  • Vulkanox 4010 na

Potential cross-reacting/co-reacting substances:
  • Oxidation-type hair dyes

How safe is it?

Hang tight. We're thinking.