Description

N,n-Dimethyl-n-Hexadecyl-1-Octadecylammonium is a high-purity quaternary ammonium compound, also known as dimethyl dihexadecyl ammonium. This compound is valued for its potent cationic surfactant properties, offering excellent emulsification, antistatic, and antimicrobial efficacy. It is essential for formulators and manufacturers in the personal care, textile, and industrial biocide sectors seeking reliable, high-performance ingredients. The product is supplied with full traceability and quality documentation.

Application

• Fabric Softeners & Conditioners: Acts as a primary cationic softener, providing a smooth feel and antistatic properties to textiles.
• Hair Care Products: Used in conditioners and treatments as a conditioning agent to improve hair manageability and shine.
• Industrial Biocides & Sanitizers: Serves as an active ingredient in formulations for surface disinfectants and algicides due to its antimicrobial activity.
• Emulsifiers & Phase Transfer Catalysts: Facilitates the formation and stabilization of emulsions and can act as a catalyst in organic synthesis.
• Antistatic Agents: Applied in plastics and synthetic fiber processing to reduce static charge buildup.
• Oilfield Chemicals: Utilized in drilling muds and other formulations as a corrosion inhibitor and surfactant.

Basic Information

Product Name	N,n-Dimethyl-n-Hexadecyl-1-Octadecylammonium
CAS No.	32288-33-8
Molecular Formula	C36H76N+ (typically associated with chloride or other counterions)
Molecular Weight	546.0 g/mol (for cation)
Synonyms	Dimethyl Dihexadecyl Ammonium; Dihexadecyl Dimethyl Ammonium; DHDDMA; N,N-Dimethyl-N-hexadecyl-1-octadecanaminium; Dimethyl Di-C16 Alkyl Ammonium; Quaternium-18 (in some cosmetic contexts); Dihydrogenated Tallow Dimethyl Ammonium (partially); DDAC (Dimethyl Dialkyl Ammonium Chloride) related compound.
EINECS	Contact for details

Quality Control

Our N,n-Dimethyl-n-Hexadecyl-1-Octadecylammonium is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing key parameters such as assay, moisture content, and residual solvents is provided with each shipment. We adhere to relevant ISO and GMP guidelines where applicable to guarantee product integrity for our global B2B clients.

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). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed to minimize exposure to atmospheric humidity. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white waxy solid / paste
Identification (IR)	Conforms to structure
Assay (by Titration)	≥ 95.0 %
Moisture Content (KF)	≤ 2.0 %
Residual Solvents (GC)	Meet ICH guidelines
Heavy Metals (as Pb)	≤ 20 ppm
pH (in solution)	5.0 - 8.0

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