Speciality Chemicals

Octadecyltrimethylammonium Bromide

  • CAS No.1120-02-1
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High purity Octadecyltrimethylammonium Bromide is a versatile cationic surfactant and phase transfer catalyst designed for industrial, oilfield, and chemical synthesis applications.

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Product Technical Details

Product Overview

Octadecyltrimethylammonium Bromide is a premium quaternary ammonium compound widely recognized for its exceptional surface-active properties and catalytic efficiency. As a cationic surfactant, this chemical serves as a critical component in various industrial formulations, ranging from oilfield recovery agents to specialized disinfectants. Our manufacturing process ensures high stability and consistent quality, making it an ideal choice for demanding chemical synthesis and functional material applications.

This compound features a long alkyl chain structure that provides excellent emulsifying and antistatic capabilities. It is particularly valued in scenarios requiring robust phase transfer catalysis, where it facilitates reactions between immiscible phases. The material is supplied in multiple purity grades to accommodate diverse technical requirements, ensuring optimal performance in both laboratory and large-scale production environments.

Key Specifications

ParameterSpecification
Chemical NameOctadecyltrimethylammonium Bromide
CAS Number1120-02-1
Molecular FormulaC21H46BrN
Molecular Weight392.501 g/mol
AppearanceWhite powder
Assay Options99%, 70%, 50%, 30%
Melting Point~250 °C (decomposition)
Water SolubilitySoluble
Storage StabilityStable, Hygroscopic

Industrial Applications

The versatility of Octadecyltrimethylammonium Bromide allows it to function effectively across multiple sectors. In the oilfield industry, it is utilized as a key ingredient in drilling fluids and completion fluids to enhance stability and performance under harsh conditions. Its ability to act as a phase transfer catalyst makes it indispensable in organic synthesis, where it accelerates reaction rates and improves yield efficiency.

Furthermore, this chemical is extensively used in the production of disinfectants, particularly for aquatic products and industrial sanitation systems. Its cationic nature provides strong antimicrobial properties, ensuring effective control of microbial growth. In the textile and daily chemical industries, it serves as a softening agent and antistatic agent, improving the handling and quality of finished products. Our R&D team continuously explores new innovative structures to expand its utility in specialized surfactant formulations.

Quality Assurance and Packaging

We maintain strict quality control protocols to ensure every batch meets international standards. Each shipment is accompanied by a Certificate of Analysis (COA) verifying purity and physical properties. The product is hygroscopic and should be protected from moisture and strong oxidizing agents during storage. We recommend storing the material in a cool, ventilated environment to maintain integrity.

Standard packaging includes 25 kg drums, but we offer flexible customization options to meet specific logistical needs. Our global supply chain ensures timely delivery and reliable support for bulk orders. As a leading manufacturer with over 200 kinds of quaternary ammonium salt products, we are committed to providing tailored solutions for complex chemical requirements.