Overview of Cetyltrimethylammonium bromide, C19H42BrN
Cetyltrimethylammonium bromide, C19H42BrN, alias: cetrimonium bromide, bromobrown trimethylammonium, ammonium bromide, cetyltrimethylammonium bromide; CTMAB; HTAB; CTABr; cationic soap), CAS No. 57-09-0, white or light yellow crystals to powder, with a pungent odor, easily soluble in isopropanol, can be dissolved in water, shaking produce a large number of bubbles, can be with the cationic, nonionic and amphoteric. It has good compatibility with cationic, nonionic and amphoteric surfactants. It has excellent penetration, softening, emulsification, antistatic, biodegradability and sterilization properties.
Chemical Properties of Cetyltrimethylammonium bromide, C19H42BrN
| Inspection items |
Technical Parameters |
| traits |
White to off-white powder |
| Chromacity |
≤100 Hazen |
| Moisture (%) |
≤0.8 |
| Main content (%) |
≥99.0 (calculated as dry product) |
Application of Cetyltrimethylammonium bromide, C19H42BrN
Emulsifier for natural and synthetic rubber, silicone oils and asphalt;
Antistatic agent and softener for synthetic, natural and glass fibers;
It is used as a bactericide, algaecide and slime stripper in industrial and oil field water treatment.
Used as an oral antiseptic in toothpaste.
Used in shampoos and conditioners to make the hair easy to comb, smooth and soft.
It is also used as a mineral flotation agent, corrosion inhibitor for electroplating solution, emulsifier for asphalt, cleaning agent for hard surfaces and phase transfer catalyst for organic synthesis.
Used in the production of flux and solder paste to play the role of surfactant, strong activity, bright spots, false soldering, and solder fullness have a certain effect.
It also has the property of precipitating nucleic acids and acidic polysaccharides from solutions of low ionic strength, where proteins and neutral polysaccharides remain in solution, and in solutions of high ionic strength, CTAB forms complexes with proteins and most polysaccharides other than acidic polysaccharides, except that it cannot precipitate nucleic acids.
Chemical Properties of Cetyltrimethylammonium bromide, C19H42BrN
gth, where proteins and neutral polysaccharides remain in solution, and solutions of high ionic strength, CTAB forms complexes with proteins and most polysaccharides other than
Company Profile
Luoyang Tongrun Nano Technology Co. Ltd. (TRUNNANO) is a trusted global chemical material supplier & manufacturer with over 12-year-experience in providing super high-quality chemicals and nanomaterials, including boride powder, nitride powder, graphite powder, sulfide powder, 3D printing powder, etc.
The company has a professional technical department and Quality Supervision Department, a well-equipped laboratory, and equipped with advanced testing equipment and after-sales customer service center.
If you are looking for high-quality Cetyltrimethylammonium bromide please feel free to contact us or click on the needed products to send an inquiry.
Packing of Ammonium Heptamolybdat
We have many different kinds of packing which depend on Cetyltrimethylammonium bromide, C19H42BrN quantity.
Cetyltrimethylammonium bromide, C19H42BrN packing: 100g, 1kg, 10kg, 25Kg/barrel etc.
Avoid using it in the same bath with anionic surfactant, and should not be heated above 120°C for a long time.
Payment Term
T/T, Western Union, Paypal, Credit Card etc.
Shipment Term
By air, by sea, by express, as customers request.
FAQs of Cetyltrimethylammonium bromide, C19H42BrN
Q:What is the mechanism of action of cetyltrimethylammonium bromide in nucleic acid extraction?
A:The long-chain alkyl portion of CTAB can be inserted into the lipid bilayer of cell walls and cell membranes, disrupting their structure and releasing cell contents.CTAB can bind to proteins to form water-insoluble complexes, which can be removed by centrifugation or precipitation to remove impurities such as proteins.CTAB can bind to nucleic acids to form soluble complexes, which can protect the nucleic acids from enzyme degradation and facilitate the subsequent purification steps. CTAB binds to nucleic acids and forms soluble complexes that protect nucleic acids from enzymatic degradation, facilitating subsequent purification steps.
Q:What safety precautions should be taken when using cetyltrimethylammonium bromide?
A:CTAB is irritating to the skin and eyes; gloves and goggles should be worn during the operation to avoid direct contact.CTAB may produce volatile gases when heated or stirred; the operation should be carried out in a well-ventilated environment to avoid inhaling harmful gases.CTAB should be kept in sealed containers, away from ignition sources and high temperatures, and avoid mixing with strong oxidizing agents and reducing agents. Waste CTAB solution should be disposed of in accordance with the treatment of hazardous chemicals and should not be dumped arbitrarily to avoid polluting the environment. Hand washing should be done in time after operation to avoid bringing pollutants into the living area.
Q:What are the main uses of cetyltrimethylammonium bromide?
A:CTAB is commonly used for nucleic acid extraction, especially in plant and microbiological samples. It is effective in disrupting cell walls and cell membranes, releasing DNA and RNA, and removing impurities such as proteins by precipitation.CTAB can be used as a template agent for the synthesis of nanomaterials and mesoporous materials, such as mesoporous silicon dioxide and mesoporous carbon materials.CTAB has certain antimicrobial properties and is used for sterilization and disinfection, especially in the medical and hygiene fields.CTAB can be used as an emulsifying agent, and wettable agent to improve the liquid's CTAB can be used as an emulsifier and wetting agent to improve the dispersibility and wettability of liquid, which is suitable for cosmetic, coating and textile industries.CTAB can be used as an analytical reagent to detect and separate certain ions and compounds.
Q:The role of cetyltrimethylammonium bromide in the preparation of polymer nanoparticles?
A:CTAB plays multiple roles in the preparation of polymer nanoparticles, including stabilizer, template agent, surface modifier, enhancement of reactivity and control of particle size and morphology. These roles make CTAB an important tool for the preparation of high-performance polymer nanoparticles, which are widely used in the fields of drug delivery, catalysts, sensors and biomedicine. By rationally designing and optimizing the preparation conditions, the properties of CTAB can be fully utilized to prepare polymer nanoparticles with desirable properties.
