Description

3-Hydroxydiphenylamine is an important aromatic amine derivative, widely recognized as a versatile intermediate in fine chemical synthesis. Its value lies in its bifunctional structure, featuring both phenolic and secondary amine groups, which enables its use in the production of high-performance polymers, dyes, and antioxidants. This compound is essential for manufacturers in the polymer, agrochemical, and specialty chemical industries seeking to develop products with enhanced stability and functional properties.

Application

• Polymer Industry: Serves as a key monomer and stabilizer in the synthesis of high-performance resins and engineering plastics.
• Dye and Pigment Manufacturing: Acts as a crucial intermediate for producing azo dyes and other complex colorants.
• Agrochemical Synthesis: Used in the production of certain herbicides and plant growth regulators.
• Antioxidant Production: Functions as a building block for manufacturing phenolic antioxidants used in rubber, plastics, and fuels.
• Pharmaceutical Intermediates: Employed in the synthesis of specific active pharmaceutical ingredients (APIs).
• Corrosion Inhibitors: Incorporated into formulations designed to protect metals in industrial systems.

Basic Information

Product Name	3-Hydroxydiphenylamine
CAS No.	101-18-8
Molecular Formula	C12H11NO
Molecular Weight	185.22 g/mol
Synonyms	N-Phenyl-3-aminophenol; 3-Anilinophenol; 3-(Phenylamino)phenol; N-(3-Hydroxyphenyl)aniline; 3-Hydroxy-N-phenylaniline; 3-ADPA; m-Hydroxydiphenylamine; 3-Phenylaminophenol
EINECS	202-924-1

Quality Control

Our 3-Hydroxydiphenylamine is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including purity assay and impurity profiling, to ensure it meets exacting specifications for industrial and fine chemical applications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Light brown to brown crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	78 - 82 °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.