Description

n-Methyldiphenylamine is a versatile aromatic amine derivative, primarily valued as a key intermediate and stabilizer in high-performance industrial formulations. Its chemical structure makes it an effective antioxidant and inhibitor, crucial for extending the service life of sensitive materials. This compound is essential for manufacturers in the polymer, lubricant, and specialty chemical sectors seeking to enhance product stability and performance under demanding conditions.

Application

• Polymer Stabilizer: Acts as an antioxidant and anti-aging agent in synthetic rubbers, plastics, and elastomers to prevent thermal and oxidative degradation.
• Lubricant & Grease Additive: Used as an oxidation inhibitor in industrial lubricants and greases to improve stability and extend operational life.
• Chemical Intermediate: Serves as a key building block in the synthesis of more complex dyes, pharmaceuticals, and agrochemicals.
• Fuel & Oil Additive: Employed as a stabilizer in fuels and transformer oils to prevent gum formation and oxidative breakdown.
• Corrosion Inhibitor: Functions in metalworking fluids and coatings to protect ferrous and non-ferrous metals.
• Research & Development: Utilized in academic and industrial R&D for studying reaction mechanisms and developing new materials.

Basic Information

Product Name	n-Methyldiphenylamine
CAS No.	552-82-9
Molecular Formula	C13H13N
Molecular Weight	183.25 g/mol
Synonyms	N-Methyldiphenylamine; N-Methyl-N-phenylaniline; Diphenylmethylamine; Methyldiphenylamine; N-Phenyl-N-methylaniline; Benzenamine, N-methyl-N-phenyl-; Aniline, N-methyl-N-phenyl-; MDMA (chemical context)
EINECS	209-012-5

Quality Control

Our n-Methyldiphenylamine is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets precise customer and industry specifications. Certificates of Analysis (COA) documenting all critical parameters are provided to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its nature of being easily oxidized, prolonged storage under an inert atmosphere (e.g., nitrogen) is recommended for optimal long-term stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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