Description

Dimethyldioctylammonium Bromide is a quaternary ammonium salt (quat) widely recognized for its potent surfactant and antimicrobial properties. Its value lies in its dual functionality as a cationic surfactant and a phase-transfer catalyst, enabling critical reactions and formulations across diverse industries. This compound is essential for manufacturers in the chemical synthesis, textile, and personal care sectors who require a reliable, high-purity ingredient for specialized applications.

Application

• Phase-Transfer Catalyst (PTC): Facilitates reactions between reagents in immiscible phases, crucial in organic synthesis for alkylations, esterifications, and polymerizations.
• Surfactant & Emulsifier: Used in the formulation of industrial cleaners, fabric softeners, and specialty emulsions where cationic activity is required.
• Antimicrobial Agent: Employed in the development of disinfectants, sanitizers, and preservative systems for its biocidal efficacy.
• Textile Auxiliary: Acts as a softener, antistatic agent, and dyeing assistant in textile processing.
• Personal Care Ingredients: Found in hair conditioners and certain cosmetic formulations for its conditioning and emulsifying properties.
• Corrosion Inhibitor: Used in industrial water treatment and metalworking fluids.
• Analytical Chemistry: Serves as an ion-pairing agent in chromatographic separations.

Basic Information

Product Name	Dimethyldioctylammonium Bromide
CAS No.	3026-69-5
Molecular Formula	C18H40BrN
Molecular Weight	350.42 g/mol
Synonyms	Dioctyldimethylammonium Bromide; N,N-Dimethyl-N,N-dioctylammonium Bromide; Dimethyldioctylammonium Bromide; DODAB; Dioctyldimethylammonium Bromide; Octyl Dimethyl Octyl Ammonium Bromide; 1-Octanaminium, N,N-dimethyl-N-octyl-, bromide (1:1)
EINECS	221-190-1

Quality Control

Our Dimethyldioctylammonium Bromide is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including assay, identification, and impurity profiling, to ensure it meets precise specifications. A comprehensive Certificate of Analysis (COA) documenting purity, physical characteristics, and test results is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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