Description

n-Methyl-n-Octadecylamine is a high-purity, long-chain tertiary amine with a C18 alkyl group. This compound serves as a versatile intermediate and cationic surfactant, valued for its emulsifying, antistatic, and corrosion-inhibiting properties. It is essential for manufacturers in the chemical synthesis, personal care, textile, and agrochemical industries seeking reliable raw materials for formulation and process chemistry.

Application

• Surfactant & Emulsifier: Key component in fabric softeners, hair conditioners, and industrial cleaning formulations.
• Chemical Intermediate: Used in the synthesis of quaternary ammonium compounds (quats) for biocides and phase transfer catalysts.
• Corrosion Inhibitor: Formulated into additives for fuel, lubricants, and metalworking fluids to protect ferrous and non-ferrous metals.
• Antistatic Agent: Incorporated into polymers, textiles, and coatings to dissipate static electricity.
• Agrochemical Adjuvant: Enhances the efficacy of pesticides and herbicides by improving wetting, spreading, and adhesion.
• Flotation Agent: Used in mineral processing for the separation of ores.
• Pharmaceutical Intermediate: Employed in the synthesis of certain active pharmaceutical ingredients (APIs) and excipients.
• Research & Development: Serves as a standard or reagent in academic and industrial laboratories.

Basic Information

Product Name	n-Methyl-n-Octadecylamine
CAS No.	2439-55-6
Molecular Formula	C₁₉H₄₁N
Molecular Weight	283.54 g/mol
Synonyms	N-Methyloctadecylamine; N-Methylstearylamine; N-Octadecyl-N-methylamine; N-Methyl-1-octadecanamine; Stearylmethylamine; Dimethylstearylamine; Armeen® M18D; Kemamine® T-9902D
EINECS	219-458-6

Quality Control

Our n-Methyl-n-Octadecylamine is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including assay by GC or titration and identification by FTIR, to ensure it meets precise specifications for purity, color, and amine value. Certificates of Analysis (COA) documenting these results are provided and available upon request to support your quality assurance protocols.

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 product is easily oxidized; for long-term storage, consider keeping under an inert atmosphere such as nitrogen. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white waxy solid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Color (APHA)	≤ 50
Amine Value	Contact for details
Water Content	≤ 0.5%
Melting Point	Contact for details

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