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Didecyl Dimethyl Ammonium Chloride (DDAC)

CAS NO.: 7173-51-5


Didecyl Dimethyl Ammonium Chloride (DDAC)
CAS NO.: 7173-51-5

Didecyldimonium chloride
didecyldimethylammonium chloride
Didecildimethylammonium chloride
Didecyl-Dimethylammonium chloride
Didecyl Dimethyl Ammonium Chloride
N,N-Didecyl-N,N-dimethylammonium chloride
N-decyl-N,N-dimethyldecan-1-aminium chloride
N-Decyl-N,N-dimethyl-1-decanaminium chloride
N,N-Dimethyl-N,N-dioctadecylammonium chloride
Purity: ≥50%; ≥80%


General Specification:
【CAS No.】7173-51-5
【molecular formula】C22H48ClN
【molecular weight】362.08
【EINECS  NO.】230-525-2  
【Package】25kg/drum  200kg/drum
【Storage 】Sealed storage


Technical Specification:




This product is colorless to light yellow transparent viscous liquid

This product is colorless to light yellow transparent viscous liquid

Active content(%)



PH(10% water solution)



Free Amino Acid(%)



Color  number




Product Introduction:
Didecyl dimethyl ammonium chloride, alias decyl methylammonium chloride, didecyl dimethyl ammonium chloride, etc., is a cationic surfactant. It is a double chain quaternary ammonium salt compound, light yellow transparent liquid at room temperature, soluble in water and organic solvents, stable chemical properties, little irritation. It can control insect diseases and be used as disinfectant and fungicide in medicine, health and civil use.


Product Usage:
Didecyl dimethyl ammonium chloride is used as a disinfectant in medicine, health and civil use, as well as a moth repellent for woolen fabrics; It can also be used as bactericidal and algicidal agent in oil field water injection and industrial circulating cooling water system;It can also be used as a disinfectant for the environment and production equipment.Its bactericidal effect is better than that of the most widely used dodecyl dimethyl benzyl ammonium chloride. At the same time, dimethyl didecyl ammonium chloride (DDAC) is the most promising wood preservative and anti-discoloration agent.DDAChas a natural affinity for wood and is fixed on wood by cation exchange. It can be used as a wood preservative in contact with the ground.


Anti-mildew and antibacterial effect:
Didecyl dimethyl ammonium chloride is one of the third generation of quaternary ammonium salt fungicides, and its killing ability to microorganisms is obviously higher than that of the first and second generation products. It can also be compounded with the first generation product to produce the fourth generation product, which is reported to be 4 to 20 times more bactericidal than the first three generations of products. When 2500 mg/L disinfectant containing didecyl dimethyl ammonium chloride double chain quaternary ammonium salt was heated to 40℃ for 120 min, the killing value of Bacillus subtilis black varieties was >3.0. When the temperature was increased to 60℃ for 30 min, the killing pair value was greater than 3.0. The 1250 mg/L double-chain quaternary ammonium salt disinfectant was heated to 80℃ for 60 min, and the killing efficiency of Bacillus subtilis black variant was greater than 5.00.


Package & Storage:
25kg/drum  200kg/drum  ; Sealed storage


Key Word:

didecyldimethylammonium chloride

DDAC 50%

DDAC 80%


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©2022 Liaoning Jiahe Shengshi Pharmaceutical Technology Co.,Ltd. 

辽ICP备2021002629号 SEO