Description

N,N-Dimethyloctadecylamine (CAS NO 124-28-7) is a high-purity tertiary amine with a long aliphatic chain, serving as a critical intermediate and functional additive in industrial chemistry. Its structure provides excellent surfactant properties, making it a versatile building block for quaternary ammonium compounds and cationic agents. This product is essential for manufacturers in the personal care, textile, agrochemical, and oilfield chemical industries seeking to enhance product performance and stability.

Application

• Quaternary Ammonium Compound (Quat) Synthesis: Primary use as a precursor for fabric softeners, disinfectants, and biocides.
• Personal Care & Cosmetics: Acts as an emulsifier and conditioning agent in hair care and skincare formulations.
• Textile Auxiliaries: Used as a softening agent and antistatic agent for fibers and fabrics.
• Agrochemicals: Employed as an emulsifier and adjuvant in pesticide and herbicide formulations.
• Oilfield Chemicals: Functions as a corrosion inhibitor and surfactant in drilling and production fluids.
• Industrial Cleaning: Key component in the formulation of cationic surfactants for industrial and institutional cleaners.
• Paper & Pulp Industry: Utilized as a retention aid and softening agent.
• Rubber & Plastics: Serves as an antistatic agent and internal lubricant during processing.

Basic Information

Product Name	N,N-Dimethyloctadecylamine
CAS No.	124-28-7
Molecular Formula	C₂₀H₄₃N
Molecular Weight	297.57 g/mol
Synonyms	Dimethylstearylamine; Stearyldimethylamine; N,N-Dimethyl-1-octadecanamine; Octadecyldimethylamine; Dimethyloctadecylamine; Armeen® DM18D; Adogen® MA-108; Kemamine® T-9902D; Tert-Octadecylamine, N,N-dimethyl-
EINECS	204-695-4

Quality Control

Our N,N-Dimethyloctadecylamine is manufactured under a strict quality management system to ensure batch-to-batch consistency and reliability. We provide comprehensive quality assurance, including Certificates of Analysis (COA) for each lot, detailing purity, identity, and impurity profiles. Our production adheres to relevant ISO standards, and the product meets typical industry specifications for use in demanding applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong acids and oxidizing agents. The product is hygroscopic (moisture-sensitive); ensure containers are kept tightly sealed when not in use to prevent moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0 %
Water Content (KF)	≤ 0.5 %
Primary & Secondary Amine	≤ 2.0 %
Color (APHA)	≤ 100

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