Description

4'-Hydroxy-4-Methyldiphenylamine is a specialized aromatic amine derivative with a phenolic hydroxyl group. This compound is valued as a versatile intermediate in the synthesis of high-performance polymers, dyes, and antioxidants. It is primarily sought by manufacturers in the polymer, specialty chemical, and pharmaceutical industries for its role in creating materials with enhanced thermal stability and specific functional properties.

Application

• Polymer Industry: A key monomer or chain extender in the production of high-performance polyurethanes, polyamides, and epoxy resins.
• Antioxidant Synthesis: Serves as a crucial precursor for manufacturing phenolic and amine-based antioxidants used in plastics, rubber, and lubricants.
• Dye and Pigment Intermediates: Used in the synthesis of complex organic dyes and pigments, particularly azo dyes.
• Pharmaceutical Intermediates: Employed in the research and development of active pharmaceutical ingredients (APIs) with specific amine functionalities.
• Agrochemicals: Acts as a building block for certain herbicides and plant growth regulators.
• Liquid Crystal Materials: A potential intermediate in the synthesis of compounds for liquid crystal displays (LCDs).

Basic Information

Product Name	4'-Hydroxy-4-Methyldiphenylamine
CAS No.	29813-87-4
Molecular Formula	C13H13NO
Molecular Weight	199.25 g/mol
Synonyms	4-(4-Aminophenyl)phenol; 4-Amino-4'-hydroxydiphenylmethane; N-(4-Hydroxyphenyl)-p-toluidine; p-Cresol, 4-amino-; 4-Methyl-4'-hydroxydiphenylamine; Bis(4-hydroxyphenyl)methylamine (related); 4-Hydroxy-4'-methyldiphenylamine
EINECS	Contact for details

Quality Control

Our 4'-Hydroxy-4-Methyldiphenylamine is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR, to ensure it meets precise customer specifications. Certificates of Analysis (COA) documenting all critical parameters are provided with every shipment.

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, strong acids, and bases.

Specification

Item	Specification
Appearance	Off-white to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	125 - 130 °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.