Description

Cetylbenzyldimethylammonium Hydroxide CAS NO 54942-73-3 is a quaternary ammonium compound (QAC) that functions as a potent cationic surfactant and phase-transfer catalyst. This chemical is valued for its dual functionality, combining the surface-active properties of a surfactant with the strong basicity of a hydroxide anion. It is primarily utilized by manufacturers in the pharmaceutical, agrochemical, and specialty chemical synthesis sectors where it facilitates challenging reactions in biphasic systems. Its unique structure makes it an effective agent for applications requiring both emulsification and catalytic activity.

Application

• Phase-Transfer Catalyst (PTC): Enables reactions between reagents in immiscible solvents, crucial for alkylation, esterification, and displacement reactions in organic synthesis.
• Pharmaceutical Intermediate Synthesis: Used in the manufacture of active pharmaceutical ingredients (APIs) where its catalytic properties improve yield and selectivity.
• Agrochemical Formulation: Acts as an emulsifier and stabilizer in pesticides and herbicides, enhancing the dispersion of active ingredients.
• Surfactant for Specialty Polymers: Serves as an emulsifier in polymerization processes, particularly for styrene and acrylic-based resins.
• Corrosion Inhibitor Component: Incorporated into formulations for industrial water treatment and metalworking fluids.
• Biocide and Disinfectant Precursor: Used as a starting material or intermediate in the production of other antimicrobial quaternary ammonium compounds.

Basic Information

Product Name	Cetylbenzyldimethylammonium Hydroxide
CAS No.	54942-73-3
Molecular Formula	C25H47NO
Molecular Weight	377.65 g/mol
Synonyms	N-Cetyl-N,N-dimethylbenzenemethanaminium hydroxide; Cetalkonium hydroxide; Hexadecylbenzyldimethylammonium hydroxide; CBDMA hydroxide; Benzyldimethylcetylammonium hydroxide; Cetyl dimethyl benzyl ammonium hydroxide; Quaternary ammonium compound, cetylbenzyldimethyl-, hydroxide; Zephiran hydroxide (historical)
EINECS	259-410-4

Quality Control

Our Cetylbenzyldimethylammonium Hydroxide is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, identity, and performance. We provide a detailed Certificate of Analysis (COA) with every shipment, documenting key parameters such as assay, moisture content, and residual solvents. Our quality commitment supports compliance with cGMP and ISO 9001 standards for reliable supply to regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and a strong base; containers must be kept tightly sealed to exclude moisture and carbon dioxide from the air. Store away from incompatible materials such as strong acids and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or paste
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 95.0 %
Water Content (Karl Fischer)	≤ 5.0 %
pH (10% solution)	12.0 - 13.5
Residual Solvents (GC)	Meets ICH guidelines

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