Cetyltrimethylammonium Bromide (CTAB) | CAS 57-09-0

Product Name: Cetyltrimethylammonium Bromide

Abbreviation: CTAB

CAS Number: 57-09-0

Molecular Formula: C₁₉H₄₂BrN

Product Category: Cationic Surfactant / Phase Transfer Catalyst / Disinfectant

Product Overview

Cetyltrimethylammonium bromide (CTAB, CAS 57-09-0) is a typical cationic surfactant with excellent emulsifying, dispersing, bactericidal, and phase-transfer properties. CTAB is widely used in chemical synthesis, nanomaterials, biological experiments, daily chemical products, and water treatment, and is a common functional additive in scientific research and industry.

CTAB also plays a crucial role in the synthesis of gold nanoparticles, silver nanoparticles, and mesoporous materials due to its stable micellar structure, classifying it as a high-value-added functional chemical.

Technical Data Sheet

Main Application Areas

1️⃣ Surfactants and Daily Chemical Industry

Catonic emulsifiers

Antistatic agents and softeners

Conditioners and personal care formulations

2️⃣ Nanomaterials and Scientific Research

Stencils for the synthesis of nano-gold and nano-silver

Mesoporous silica structure directing agents

Laboratory research-grade reagents

3️⃣ Chemical and Organic Synthesis

Phase transfer catalysts

Organic reaction aids

4️⃣ Water Treatment and Disinfection

Bactericides and bacteriostatic agents

Industrial circulating water system applications

Product Advantages

✔ High purity (≥99%), low impurities

✔ Stable micelle structure, batch-to-batch consistency

✔ Excellent emulsifying and dispersing properties

✔ Versatile, suitable for both industrial and research applications

✔ Reagent-grade and industrial-grade available

Company and Supply Advantages (Why Choose Us)

🔹 Mature cationic surfactant supply system

🔹 Rigorous quality testing and stable delivery

🔹 Provides COA/MSDS/TDS

🔹 Supports sample testing and customized packaging

🔹 Serving global research and industrial clients

Packaging & Storage

 FAQ – Frequently Asked Questions 

Q1: What is CTAB mainly used for?
A: CTAB is widely used as a cationic surfactant, phase transfer catalyst and nanomaterial template agent.

Q2: Is CTAB suitable for laboratory research?
A: Yes, CTAB is commonly used in nanomaterial synthesis and biochemical research.

Q3: Is CTAB soluble in water?
A: Yes, CTAB is soluble in water and alcohol.

Q4: Can you supply high purity CTAB?
A: Yes, CTAB with purity ≥99% is available.

Q5: What documents can be provided?
A: COA, MSDS and technical data sheets are available.