Product Details


Cetyl Trimethyl Ammonium Chloride(CTAC)

CTAC is a quaternary ammonium salt with excellent wetting, detergency, and emulsifying properties. It is used as a water treatment chemical for industrial applications. CTAC can be used in boiler water, cooling towers, process waters, and other difficult-to-treat waters where scale and corrosion inhibition are required. CTAC has low toxicity and good environmental compatibility. It is also available in liquid form for ease of handling. If you're looking for quality Cetyl Trimethyl Ammonium Chloride(CTAC) for Water Treatment Chemicals, look no further than our factory in China. We offer the best products at the lowest price possible.

Product Description

CAS No. 112-02-7

Molecular Formula: C19H42ClN

Molecular weight: 320

Structural Formula:



AppearanceColorless to pale yellow liquidColorless to pale yellow cream or solid
Active content, %48-5268-72
PH (10% water solution)4.0-9.04.0-9.0
Free amine, %1.5 max2.0 max
Color (APHA)150max150max

CTAC Properties:

Cetyl Trimethyl Ammonium Chloride (CTAC) is a cationic surfactant, soluble in water, methanol, and ethanol, making it an ideal choice for a variety of applications. It can be used as a softener and hair conditioner, as well as in waterproof coatings, natural fibers, synthetic fibers, and even glass fibers. This product exhibits strong chemical stability, heat resistance, and light resistance.

Additionally, CTAC also has excellent permeability, softness, emulsification ability, and anti-electrostatic properties while providing good acid and alkali resistance. Furthermore, this product offers outstanding bactericidal characteristics.

CTAC Usage:

Cetyl Trimethyl Ammonium Chloride (CTAC) is ideal for use in various shampoo, hair care, architectural coating, and fabric softener applications. Additionally, it can be utilized in the petroleum, papermaking, and food processing fields, offering outstanding bactericidal properties for cycling cooling water treatment.

CTAC is also an effective emulsifying agent for silicone oil, a hair conditioner emulsifier, and a fiber softener with excellent anti-static performance. Moreover, this product can be used to soften and isolate paper as a washing adjustment agent (hair rinse agent) and hair conditioner in the pickling industry.

Package and Storage:

Cetyl Trimethyl Ammonium Chloride (CTAC) should be tightly sealed and securely stored in a cool, dry place. It is advised to avoid direct sunlight, moisture, and other factors that may negatively affect its quality. Additionally, it is recommended to use containers that are not highly reactive to this product for storage purposes.200L plastic drum, IBC(1000L), customers’ requirement. Storage for one year in shady room and dry place.

Safety Protection:

Cetyl Trimethyl Ammonium Chloride (CTAC) offers a faint almond smell and will not visibly irritate the skin. In case of contact, rinse immediately with plenty of water.


N-Hexadecyl Trimethyl Ammonium Chloride
Trimethyl Hexadecyl Ammonium Chloride
Trimethyl-1-Hexadecane Ammonium Chloride
1-Hexadecanaminium, N,N, N-trimethyl-, chloride

Faqs about CTAC:

What is Cetyl Trimethyl Ammonium Chloride (CTAC)?
Cetyl Trimethyl Ammonium Chloride (CTAC) is an organic quaternary ammonium salt composed of a long-chain alkyl trimethyl ammonium cation and a chloride anion. It is primarily used as a surfactant, antistatic agent, and biocide in water treatment chemicals.

What are the benefits of using CTAC for water treatment?
Using CTAC for water treatment can help to reduce the surface tension of water, improve the solubility characteristics, and increase the efficiency of chemical processes. It also acts as an effective biocide against bacteria, fungi, algae, and other microorganisms without causing harm to humans or aquatic life.

Is CTAC safe to use in drinking water?
Yes, CTAC is considered safe for use in drinking water when used at approved concentrations.

How does CTAC work as a surfactant?
CTAC acts as a surfactant due to its amphiphilic structure – it contains both hydrophobic (water-repellent) and hydrophilic (water-attracting) portions. The hydrophobic portion helps to reduce the surface tension of water, while the hydrophilic portion increases its solubility characteristics. This allows it to be effective at breaking down dirt and oil molecules into smaller particles which can then be more easily removed from the treated area.

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