Description

N,N'-Bis(1-Methylheptyl)-p-Phenylenediamine is a high-performance, substituted p-phenylenediamine derivative primarily valued for its exceptional antioxidant and antiozonant properties. This compound is critical for protecting materials from oxidative degradation and ozone cracking, thereby significantly extending their service life. It is an essential additive for manufacturers in the rubber and polymer industries, particularly for demanding applications in tires, hoses, and seals.

Application

• Rubber Antioxidant/Antiozonant: A key protective agent in the formulation of synthetic and natural rubber products, including tires, conveyor belts, and automotive hoses, to prevent cracking and aging.
• Polymer Stabilizer: Used as a stabilizer in various polymer systems to inhibit thermal and oxidative degradation during processing and end-use.
• Fuel and Lubricant Additive: Functions as an antioxidant additive in fuels, oils, and greases to prevent gum formation and viscosity increase.
• Industrial Chemical Intermediate: Serves as a building block in the synthesis of more complex chemical compounds, including dyes and specialty polymers.

Basic Information

Product Name	N,N'-Bis(1-Methylheptyl)-p-Phenylenediamine
CAS No.	103-96-8
Molecular Formula	C₂₄H₄₄N₂
Molecular Weight	360.62 g/mol
Synonyms	N,N'-Di(1-methylheptyl)-p-phenylenediamine; 1,4-Bis(1-methylheptylamino)benzene; p-Phenylenediamine, N,N'-bis(1-methylheptyl)-; Antioxidant 288; Antozite 1; Vulkanox 4030; Santoflex 288; UOP 288
EINECS	203-160-6

Quality Control

Our N,N'-Bis(1-Methylheptyl)-p-Phenylenediamine is manufactured under a stringent quality management system. Every batch undergoes comprehensive analytical testing, including assay, identification, and impurity profiling, to ensure it meets precise industry specifications for performance and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment to guarantee traceability and compliance.

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 easily oxidized and should be kept under an inert atmosphere (e.g., nitrogen) for long-term storage to maintain efficacy. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Light yellow to amber viscous liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.2%
Specific Gravity (20°C)	0.90 - 0.92
Refractive Index (20°C)	1.500 - 1.510

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