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What’s Benzalkonium chloride?

Author: Site Editor     Publish Time: 2022-03-21      Origin: Site

Benzalkonium chloride is a cationic surfactant based on quaternary ammonium, and is a heterogeneous mixture of alkyl benzyl chloride with even alkyl chains.


Benzalkonium chloride a cationic surfactant, non oxidizing bactericide, broad-spectrum, efficient sterilization algae removal ability, can effectively control the water bacterium and algae breeding, and sticky mud grows, and has good sticky clay exfoliation and scattered, osmosis, at the same time have a certain ability of degreasing, deodorant gentle erosion.


Soluble in ethanol and acetone. Although it dissolves slowly in water, aqueous solutions are easier to deal with and therefore preferred. Aqueous solution should be neutral to slightly alkaline and color from colorless to light yellow. The aqueous solution foams when shaken and has a bitter and light almond taste in concentrated solution. Properties This product is white waxy solid or yellow colloidal body; Aqueous solution neutral or weak alkaline reaction, when shaking to produce a lot of foam this product is easy to dissolve in water or ethanol, in ether slightly dissolved.


This product is easily soluble in water or ethanol, slightly soluble in ether. Its molecular formula is C22H40ClN, its molecular weight is 354.01300, its density is 0.989 g/cm3, its melting point is -5ºC, and its boiling point is 100ºC.

Uses: cationic quaternary ammonium salt surfactants, widely used in personal care, shampoo, hair conditioner and other products, with good antistatic, flexible, anti-corrosion effects, can also be used in sterilization, printing and dyeing auxiliaries, fabric washing and other industries.


Benzalammonium chloride is a broad spectrum fungicide of cationic surfactants, which can change the permeability of bacterial cytoplasmic membrane, make bacterial cytoplasmic material extravasate, block its metabolism and kill. It has a strong effect on gram-positive bacteria, but has no effect on Pseudomonas aeruginosa, acid-fast bacillus and bacterial spore.


The product is a mixture of dimethyl benzyl ammonium chloride containing hydrocarbon ammonium salt (C22H40ClN) 95.0%~105.0% according to anhydrous calculation.


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