Description

N,N'-Bis(4-Chlorophenyl)-N,N'-Diphenyl-1,4-Phenylenediamine is a high-performance aromatic amine antioxidant and stabilizer. This compound is critical for protecting polymers and other sensitive materials from oxidative degradation, thereby extending their service life and maintaining performance integrity. It is primarily needed by manufacturers in the polymer, rubber, and specialty chemical industries for the production of durable, high-quality materials.

Application

• Primary antioxidant and stabilizer in polymer production, including polyolefins and engineering plastics.
• Anti-aging additive in synthetic rubber and elastomer formulations to prevent chain scission and cross-linking.
• Stabilizing component in lubricants, greases, and industrial oils to inhibit oxidation under high-temperature conditions.
• Key intermediate in the synthesis of advanced dyes, pigments, and photographic chemicals.
• Additive in adhesive and sealant formulations to enhance long-term thermal stability.
• Research and development chemical for studying antioxidant mechanisms and developing new stabilization systems.

Basic Information

Product Name	N,N'-Bis(4-Chlorophenyl)-N,N'-Diphenyl-1,4-Phenylenediamine
CAS No.	113703-66-5
Molecular Formula	C30H22Cl2N2
Molecular Weight	481.41 g/mol
Synonyms	Bis(4-Chlorophenyl)-Diphenyl-p-Phenylenediamine; 1,4-Benzenediamine, N,N'-bis(4-chlorophenyl)-N,N'-diphenyl-; Antioxidant 445; PPD Antioxidant; N,N'-Di(4-chlorophenyl)-N,N'-diphenyl-1,4-phenylenediamine; 4,4'-Dichloro-TPD; p-Phenylenediamine derivative
EINECS	Contact for details

Quality Control

Our N,N'-Bis(4-Chlorophenyl)-N,N'-Diphenyl-1,4-Phenylenediamine is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications for industrial and research applications. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is easily oxidized; for long-term storage, maintaining an inert atmosphere (e.g., under nitrogen or argon) is recommended to preserve efficacy.

Specification

Item	Specification
Appearance	Light yellow to beige crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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