Description

Hexadecyltrioctadecylammonium Bromide is a high-purity quaternary ammonium salt (quat) surfactant. This compound is valued for its excellent phase-transfer catalytic properties and its ability to form stable complexes, making it a critical component in specialized chemical synthesis. It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors for process development and production.

Application

• Phase-Transfer Catalyst (PTC): Facilitates reactions between reagents in immiscible phases, crucial for alkylation, esterification, and displacement reactions in organic synthesis.
• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) where quaternary ammonium compounds are required.
• Agrochemical Formulations: Acts as an emulsifier or surfactant in the production of pesticides and herbicides.
• Nanomaterial Synthesis: Serves as a stabilizing or structure-directing agent in the preparation of nanoparticles and mesoporous materials.
• Ion-Pair Reagent: Utilized in analytical chemistry for the extraction and separation of ionic species.
• Antimicrobial Agent: Provides biocidal properties in specialized disinfectant and preservative formulations.
• Polymer Additive: Functions as an antistatic agent or compatibilizer in polymer blends and composites.

Basic Information

Product Name	Hexadecyltrioctadecylammonium Bromide
CAS No.	179737-01-0
Molecular Formula	C70H144BrN
Molecular Weight	1064.86 g/mol
Synonyms	Cetrimonium Bromide (C16); Cetyltrimethylammonium Bromide (CTAB) analog; N-Hexadecyl-N,N,N-trioctadecylammonium bromide; Trioctadecylhexadecylammonium bromide; Ammonium, hexadecyltrioctadecyl-, bromide; Quaternary ammonium salt, C16/C18; C16TAB (long-chain variant)
EINECS	Contact for details

Quality Control

Our Hexadecyltrioctadecylammonium Bromide is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with key parameters including assay, impurity profile, and loss on drying. Our quality commitment aligns with cGMP principles for reliable supply to regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive). Keep the container tightly sealed in a dry environment to prevent absorption of moisture, which may affect product performance and stability.

Specification

Item	Specification
Appearance	White to off-white powder or solid
Identification (IR)	Conforms to structure
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.