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, anti-static, biodegradability and sterilization properties.
| Inspection items | Technical Parameters |
| traits | White to off-white powder |
| Chromacity | ≤100 Hazen |
| Moisture (%) | ≤0.8 |
| Main content (%) | ≥99.0 (calculated as dry product) |
Emulsifier for natural and synthetic rubber, silicone oils and asphalt;
Antistatic agent and softener for synthetic, natural and glass fibers;
It is used as 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 hair easy to comb, smooth and soft.
It is also used as mineral flotation agent, corrosion inhibitor for electroplating solution, emulsifier for asphalt, cleaning agent for hard surface 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, 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 in solutions of high ionic strength, CTAB forms complexes with proteins and most polysaccharides other tha
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