Description

4-Aminodiphenylamine is a versatile aromatic amine intermediate of significant industrial importance. Its chemical structure makes it a critical precursor in the synthesis of antioxidants, dyes, and rubber chemicals. This compound is essential for manufacturers in the polymer, agrochemical, and specialty chemical sectors seeking to enhance product durability and performance.

Application

• Antioxidant Synthesis: A key intermediate in the production of p-phenylenediamine (PPD) and other diarylamine-based antioxidants used to protect rubber and polymers from oxidative degradation.
• Dye and Pigment Manufacturing: Serves as a building block for various azo dyes and organic pigments, contributing to colorants for textiles, inks, and plastics.
• Rubber Chemical Production: Used in the synthesis of antiozonants and stabilizers that extend the service life of tires and other rubber products.
• Pharmaceutical Intermediates: Employed in the research and development of certain active pharmaceutical ingredients (APIs) and fine chemicals.
• Agrochemical Intermediates: Functions as a precursor in the synthesis of certain herbicides and pesticides.
• Polymer Modification: Acts as a monomer or curing agent in the production of specialized polyamides and epoxy resins.

Basic Information

Product Name	4-Aminodiphenylamine
CAS No.	101-54-2
Molecular Formula	C12H12N2
Molecular Weight	184.24 g/mol
Synonyms	N-Phenyl-p-phenylenediamine; p-Aminodiphenylamine; 4-ADPA; PPD; 1,4-Diaminobenzene, N-phenyl-; CI 76085; Antioxidant D; RT Base 4; N-(4-Aminophenyl)aniline
EINECS	202-951-9

Quality Control

Our 4-Aminodiphenylamine is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including assay, impurity profiling, and physical property verification, to ensure it meets the high standards required for industrial synthesis. Certificates of Analysis (COA) are provided and can be tailored to meet specific customer or regulatory requirements.

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 material is easily oxidized (store under inert atmosphere) and light-sensitive. Keep away from strong oxidizing agents, acids, and heat sources.

Specification

Item	Specification
Appearance	Brown to purple crystalline powder or flakes
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	66 - 75 °C
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.