Description

4-Aminodiphenylamine is a high-purity aromatic amine derivative, serving as a critical intermediate in the synthesis of advanced chemical products. Its primary value lies in its role as a versatile building block for antioxidants, dyes, and rubber chemicals, ensuring performance and longevity in final formulations. This compound is essential for manufacturers in the polymer, specialty chemical, and pharmaceutical industries seeking reliable and consistent raw materials for their production processes.

Application

• Antioxidant Precursor: A key intermediate in the synthesis of p-phenylenediamine (PPD) and other diarylamine-based antioxidants used in rubber and polymer stabilization.
• Dye and Pigment Manufacturing: Employed in the production of azo dyes and other complex colorants for textiles, inks, and plastics.
• Pharmaceutical Intermediates: Used in the synthesis of certain active pharmaceutical ingredients (APIs) and fine chemicals.
• Polymer Additives: Functions as a monomer or additive precursor to enhance the thermal and oxidative stability of engineering plastics and synthetic fibers.
• Chemical Research & Development: Serves as a valuable reagent in organic synthesis and material science research for creating novel compounds.
• Corrosion Inhibitors: Utilized in the formulation of additives for fuels and lubricants to prevent oxidation and degradation.

Basic Information

Product Name	4-Aminodiphenylamine
CAS No.	16072-57-4
Molecular Formula	C12H12N2
Molecular Weight	184.24 g/mol
Synonyms	N-Phenyl-p-phenylenediamine; p-Aminodiphenylamine; 4-ADPA; P-Aminodiphenylamine; 1,4-Diaminobenzene, N-phenyl-; N-(4-Aminophenyl)aniline; Antioxidant D; RTBASE
EINECS	240-225-8

Quality Control

Our 4-Aminodiphenylamine is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) for each lot, detailing key parameters such as assay, impurity profile, and physical characteristics. Our quality commitment aligns with ISO standards, and we support compliance with global regulatory frameworks including REACH.

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 is light-sensitive (store away from light). 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 - 72 °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.