Description

n-Octyl-N'-Phenyl-1,4-Benzenediamine is a substituted p-phenylenediamine derivative widely recognized as a high-performance antioxidant and antiozonant. This compound matters for its critical role in protecting polymers and elastomers from oxidative and ozone-induced degradation, thereby extending product service life. It is primarily needed by manufacturers in the rubber and polymer industries, particularly for high-demand applications such as tire sidewalls, industrial hoses, and automotive components.

Application

• Rubber Antioxidant/Antiozonant: A primary stabilizer in the production of tires, especially for sidewall and tread compounds to prevent cracking and weathering.
• Polymer Stabilizer: Used in various synthetic rubbers (e.g., SBR, NBR, EPDM) and plastics to inhibit thermal and oxidative degradation during processing and end-use.
• Industrial Elastomers: Essential in formulations for conveyor belts, seals, gaskets, hoses, and other mechanical rubber goods requiring long-term durability.
• Lubricant and Fuel Additive: Acts as an antioxidant additive in lubricating oils, greases, and fuels to prevent sludge formation and viscosity increase.
• Adhesive and Sealant Formulations: Enhances the aging resistance of adhesive and sealant products based on elastomeric binders.
• Wire and Cable Insulation: Protects polymeric insulation materials from oxidative breakdown, ensuring electrical safety and longevity.

Basic Information

Product Name	n-Octyl-N'-Phenyl-1,4-Benzenediamine
CAS No.	1590-80-3
Molecular Formula	C₂₀H₂₈N₂
Molecular Weight	296.45 g/mol
Synonyms	N-(1-Methylheptyl)-N'-phenyl-p-phenylenediamine; N-Phenyl-N'-(1-methylheptyl)-p-phenylenediamine; 8PPD; OPPD; Antioxidant 688; Antozite 67F; Vulkanox 4020; Flexzone 8L; p-Phenylenediamine, N-(1-methylheptyl)-N'-phenyl-
EINECS	216-455-8

Quality Control

Our n-Octyl-N'-Phenyl-1,4-Benzenediamine is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, color, and performance. Certificates of Analysis (COA) detailing assay, melting point, and impurity profiles are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere). Keep away from heat, sparks, and open flames. Isolate from strong oxidizing agents.

Specification

Item	Specification
Appearance	Brown to dark brown flakes or powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0 %
Melting Point	45 - 55 °C
Loss on Drying	≤ 0.5 %
Ash Content	≤ 0.1 %

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.