Didecyl Dimethyl Ammonium Chloride(DDAC)

Basic Information

  •  INCIName:Didecyldimethylammonium Chloride (DDAC)
  • CASNo.: 7173-51-5
  • MainComponent: Didecyldimethylammonium Chloride
  • Recommendedaddition amount: 0.5-2.0%
  • Recommendedusage: Readily soluble in water, slight foaming upon shaking, readily soluble in ethanol and acetone.
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Product Introduction

Didecyldimethylammonium Chloride (DDAC), is a cationic dual-chain quaternaryammonium salt bactericide, belonging to the third generation of quaternary ammonium salt bactericides. Its ability to kill microorganisms is significantly higher than that of the first and second-generation quaternary ammonium salt bactericides. It is extremely soluble in water and ethanol, can be used as an independent active component, and can also be compounded with benzalkonium chloride, ethanol, polyhexamethylene monoguanide,polyhexamethylene biguanide, and glutaraldehyde for synergistic effects. It is widely used for disinfection and sterilization in medical and health care, wet wipes, food processing, daily cosmetics, oilfield sterilization, medicine and health, and industrial circulating water sterilization and algae removal.

Product Features

  •    Does not containmethanol orethanol
  •    Excellent persistent bactericidalability
  •    High disinfection safety, non-corrosive and non-bleaching
  •    Excellent solubility in hard water, strong surface activity,goodcompatibility
  • Good hard surface sterilizationability

Technical Indicators

Item: Appearance

DDAC-40: Colorless to light yellow clear liquid

Item: pH value (10%, 25°C)

DDAC-40: 6.5~8.5

Item: Content

DDAC-40: 39.0%~41.0%

Item: Platinum-Cobalt Color

DDAC-40: <100

Item: Amine Value

DDAC-40: 2.0mg KOH/g

Product Uses

Widely used for disinfection and sterilization in medical and health care, wet wipes, food processing, daily cosmetics, oilfield sterilization, medicine and health, and industrial circulating water sterilization and algae removal. Its bactericidal effect is superior to themost widely used dodecyl dimethyl benzyl ammonium chloride. It can be used as a bactericide and bactericidal a lgicide in oilfield water injection and industrial circulating cooling water systems. When used as a disinfectant for hard surfaces, it can be combined with chlorine dioxide. Didecyldimethylammonium chloride (DDAC) is a wool moth-proofing agent that can control insect diseases and is used as a disinfectant and bactericide in medical, health, and civil applications.

Precautions: Avoid simultaneous use with anionic detergents such as soap and synthetic detergents. Not suitable for formulation with inorganic salts (citrates, iodides, nitrates, permanganates, salicylates, zinc sulfate, silver salts, tartrates, and alkaloids, etc.). Not  suitable for disinfecting cystoscopes, ophthalmic instruments, rubber, leather, etc. Avoid using aluminum containers. Incompatible with aluminum, fluorescein sodium, hydrogen  peroxide, kaolin, hydrous lanolin, and some sulfonamide drugs.

Packaging and Storage

  • Packaging:This product is packaged in25kg/plastic drum, 50kg/plastic drum, 200kg/plastic drum, 1000kg/plastic drum.
  • Storage:Store in a cool, dry, well-ventilated warehouse. The storage temperature should preferably not exceed 30°C. Keep away from fire and heat sources. Packaging must be sealed. Should be stored separately from flammable (combustible) materials, strong oxidizing substances, etc.; mixed storage is strictly prohibited. The storagearea should be equipped with suitable materials to contain spills. Check all labels in real-time to ensure they are clear and there are no leaks. Shelf life is two years.
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