Speciality Chemicals

Dimethyldioctadecylammonium Bromide

CAS No.3700-67-2
GradeIndustrial / Pharmaceutical
Availability● In Stock

High-purity dimethyldioctadecylammonium bromide (CAS 3700-67-2), a cationic quaternary ammonium surfactant used as a catalyst, phase-transfer agent, and functional additive in industrial formulations.

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Product Technical Details

Product Overview

Dimethyldioctadecylammonium bromide (CAS 3700-67-2) is a high-performance cationic quaternary ammonium compound widely utilized in specialty chemical applications. With its dual long-chain alkyl structure, this compound exhibits excellent surface-active properties, thermal stability, and catalytic efficiency, making it ideal for advanced industrial processes including phase-transfer catalysis, metal extraction, and antioxidant systems.

Specifications

Molecular Formula	C₃₈H₈₀BrN
Molecular Weight	630.95 g/mol
Exact Mass	629.55
Melting Point	~160 °C
Density	1.047 g/cm³
LogP	10.59
Assay	99% or 75% (available grades)
Appearance	White powder
Stability	Stable under recommended storage conditions; incompatible with strong oxidizing agents

Industrial Applications

This specialty quaternary ammonium salt serves multiple functional roles across diverse sectors:

Acts as an efficient phase-transfer catalyst in organic synthesis and polymer chemistry.
Functions as a cationic surfactant in agrochemical emulsifiers and disinfectant formulations.
Enhances performance in metal ion extraction and separation processes.
Serves as a stabilizing or anti-static additive in advanced material systems.

As part of our extensive portfolio of over 200 quaternary ammonium compounds, we offer both standard and custom-formulated grades to meet stringent industry requirements. Our R&D focus on innovative surfactant architectures enables tailored solutions for oilfield chemicals, aquaculture disinfectants, and high-performance daily chemical additives.

Handling and Packaging

Supplied in 25 kg or 175 kg drums, with flexible packaging options available upon request. Store in a cool, dry, and well-ventilated area away from oxidizing agents to maintain product integrity.