CAS No. 122-19-0

Synonyms:

N,N-Dimethyl-N-octadecylbenzenemethanaminium chloride

Stearyl dimethyl benzyl ammonium chloride;

Selanium chloride;

1827;

Benzalkonium chloride;

Benzyldimethylstearylammonium chloride;

Stearyl dimethyl benzyl ammonium chloride;

Stearalkonium chloride;

Ammonium, benzyldimethyloctadecyl-, chloride;

Benzalkonium chloride;

Stearyl dimethyl benzyl ammonium chloride belongs to cationic surfactant.

Appearance (1), white to light yellow solid.

Solubility Slightly soluble in water. Soluble in organic solvents such as ethanol.

Hygroscopicity In the air, it will absorb moisture.

Stability Stable. High thermal decomposition.

Hazard Solid form: flammable and irritating. The harmful products of combustion are carbon monoxide, carbon dioxide, nitrogen oxides and so on. Strong irritation to skin, eyes and respiratory system. With strong oxidants, it will cause combustion.

Ecology may be harmful to the environment, and special attention should be paid to water bodies.

Biodegradability Degradable.

Features Excellent antistatic, sterilization, antibacterial, anticorrosion, corrosion inhibition, solubilization, emulsification, dispersion, and wetting properties. Light fast. Acid resistant. Resistant to hard water. No cumulative toxicity. Avoid simultaneous use with chlorophenol fungicides.

Manufacturing method and process

It is obtained by the reaction of octadecyl dimethyl amine and benzyl chloride.

Quality standards and inspection methods

(1) Physical and chemical indicators

1. Chinese standards

(1), Chinese Pharmacopoeia 2015 edition benzalkonium chloride

(2) Further explanation

1. Regarding the physical and chemical indicators: First, the carbon atom distribution should be indicated; again, the average molecular weight should be indicated.

2. When used in cosmetics, it should be tested for harmful substances or further microbiologically tested in accordance with local regulations and standards.

As an emulsifier and other applications, such as: used in the emulsification of asphalt.

(3) Textile, printing and dyeing, fiber, leather

As a leveling agent for cationic dyes, it is used in textiles, printing and dyeing and other fields.

 

As an antistatic agent, bactericide, softener, etc., it is used in textile, fiber, leather and other fields.

(4) Organic synthesis

Used as a phase transfer catalyst.

(5) Polymer

As an emulsifier and other applications, such as: used in the emulsification of rubber.

(6) Water treatment

As a bactericidal and algaecide, etc., it is used in the field of water treatment.

(7) Forestry

As a fungicide and preservative, it is used in the wood processing field.

(8) Agriculture

As an emulsifier, dispersant, bactericide, etc., it is used in the field of pesticides.

(9) Personal care products

As an antistatic agent, preservative, etc., it is used in the field of personal care products.

Further information:

1. (1) According to the China Cosmetics Safety Technical Specification (2015 edition), it is included in the permitted preservatives for cosmetics.

As a preservative, the maximum use concentration is 0.1% (calculated as benzalkonium chloride).

(2) According to the China Cosmetics Safety Technical Specification (2015 edition), it is included in the restricted components of cosmetics.

It can be used in rinse-off hair products and other products.

The maximum use concentration in rinse-off hair products is 3.0% (calculated as benzalkonium chloride).

The maximum use concentration in other products is 0.1% (calculated as benzalkonium chloride).

2. (1) According to European Union Regulations (EC) No 1223/2009, Directive 98/62/EC, it is included in Annex V/54.

The maximum use concentration is 0.1% (calculated as benzalkonium chloride).

(2) According to European Union Regulations (EC) No 1223/2009, Directive 2000/6/EC, it is included in Annex III/65.

It can be used in wash-off hair (head) products with a maximum use concentration of 3.0% (calculated as benzalkonium chloride).

(10) Medicine

Used as a pharmaceutical ingredient (disinfectant and antiseptic).

Medicinal excipients, used as antibacterial agents.