Product Details


Dodecyl Trimethyl Ammonium Chloride(DTAC)

Dodecyl Trimethyl Ammonium Chloride (DTAC) is a widely used water treatment chemical. It has a high cationic charge density, making it an effective flocculant and coagulant for a variety of suspended particles and oil droplets present in wastewater. DTAC works by destabilizing the particle-water interface, causing them to form agglomerates which can then easily be removed from wastewater. Additionally, DTAC can also be used as an alternative to chlorine for chlorine disinfection of water sources. DTAC is effective in both alkaline and acidic environments and can be used in conjunction with other water treatment chemicals such as polyphosphates and organic acids. It is available from China in bulk quantities for companies looking to wholesale Dodecyl Trimethyl Ammonium Chloride(DTAC) for water treatment chemicals.

Product Description

CAS No. 112-00-5

Molecular Formula: C12H25(CH3)3NCl

Molecular weight: 263.9

Structural Formula:



AppearanceColorless to pale yellow liquidColorless to pale yellow liquid
Active content, %28-3248-52
Free amine, %1.5 max1.5 max
pH(10% water solution)5.0-9.05.0-9.0
Color (APHA)150max150max


Dodecyl Trimethyl Ammonium Chloride is a colorless liquid that may also come in the form of a white, crystalline powder. It is highly soluble in water and ethanol while remaining stable at temperatures below 100℃. This product has excellent compatibility with cationic and nonionic surfactants and exceptional chemical and heat resistance, plus light, pressure, and acid/alkali resistance. Its superior properties include permeability, softness, emulsification, anti-static protection, and decisive bactericidal action.


Dodecyl Trimethyl Ammonium Chloride can be used in various applications, such as an emulsifier for architectural waterproof coatings, cosmetic emulsifiers, cationic chloroprene latex special emulsifiers, and at high-temperature resistance situations while drilling oil deep well. Additionally, it can serve as a protein aggregation agent during penicillin fermentation and is also suitable for use as an antistatic agent in the production of synthetic fibers, an anti-adhesive agent, and a releases agent in the latex industry, industrial and agricultural fungicides.

Package and Storage:

Dodecyl Trimethyl Ammonium Chloride (DTAC) should be stored in its original packaging, away from sources of light and heat. It should also be kept in a cool, dark, and dry place. DTAC should be tightly sealed and stored in non-toxic materials such as plastic, stainless steel, or glass containers. Proper labeling should always be used when handling and storing this product., 200L plastic drum, IBC(1000L) customers requirement.
Storage for two years in a dark room and dry place.


1-Dodecanaminium, N, N, N-trimethyl-, chloride
n,n,n-trimethyl-1-dodecanaminiu chloride
Dodecyl trimethyl ammonium chloride

Faqs about DTAC:

What is Dodecyl Trimethyl Ammonium Chloride (DTAC)?
Dodecyl Trimethyl Ammonium Chloride (DTAC) is a quaternary ammonium compound commonly used in water treatment chemicals as a biocide, surfactant, and flocculant. It is an organic cationic surfactant with a high charge density that helps it bond to negatively charged particles and bind them together into larger, heavier particles. This process can effectively remove suspended solids, oils, and other contaminants from water.

What are the benefits of using DTAC for water treatment?
DTAC can improve drinking water quality by removing suspended solids, oils, bacteria, and other contaminants from the water supply. Additionally, DTAC can reduce corrosion caused by certain metals or contaminants in the water supply. The use of DTAC also helps accelerate coagulation and flocculation processes, improving the effectiveness of filtration systems, and can help reduce chemical costs associated with water treatment processes.

How safe is DTAC?
When properly applied according to manufacturer guidelines, DTAC is safe for drinking water applications. However, as with any chemical agent used in water treatment processes, it is important to follow all safety information provided by the manufacturer when handling and applying this product. In addition, it should never be ingested or inhaled due to the potential risk of harm in these cases.

How is DTAC typically applied?
Typically DTAC is added directly into the source water before any physical treatment processes, such as filtration or sedimentation tanks. The amount of product necessary will depend on various factors such as raw source material composition, desired results, system flow rate, etc. Generally speaking, higher concentration will mean faster removal but at a higher cost of materials, so finding the right balance for each unique situation is essential. It should always be applied according to the manufacturer’s instructions for the best results.

Are there any limitations associated with using DTAC?
As with all chemical treatments, there are some limitations associated with using DTAC, including potential fouling of membranes or filters due to its highly charged nature, reduced effectiveness over time due to bacterial resistance, possible secondary contamination if not managed correctly, and alterations of pH levels when mixed with other chemicals being used in conjunction with it.

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