WESTCO™ DNPD (N,N’-Di-b-naphthyl-p-phenylenediamine) CAS# 93-46-9

WESTCO DNPD is used to produce tire, cable, adhesive tape and other rubber products. It is an inhibiting agent for chain rupture and metal complex agent with excellent heat-aging resistance, natural-aging resistance and resisting harmful metal such as copper, manganese, etc.

Packaging: 10 kg or 25 kg Paper bag with plastic liner


Appearance: Gray crystalline powder
*Melting point

225°C Min.


0.5% Max.


0.5% Max.


.3% Max.

*Reported on the Certificate Analysis

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For WESTCO™ DNPD - (N,N’-Di-b-naphthyl-p-phenylenediamine)
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Technical Data & SDS Sheets

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  • Western Reserve Chemical
  • 4837 Darrow Road
  • Stow, OH 44224

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