Didecyl Dimethyl Ammonium Chloride, also called DDAC , is a kind of cationic surfactant. DDAC belongs to a double chain quaternary ammonium salt compounds. At room temperature, it is light yellow transparent liquid. Didecyl Dimethyl Ammonium Chloride can be soluble in water and organic solvent. DDAC has stable chemical properties and low irritation. Didecyl Dimethyl Ammonium Chloride is a kind of wool mothproofing agent to control insect disease. In medicine health and civilian DDAC is used as disinfectant and antiseptic agent. Didecyl Dimethyl Ammonium Chloride is one of the third generation products of quaternary ammonium salt fungicide, and its killing ability of microorganism is significantly higher than that of first and two generation. Didecyl Dimethyl Ammonium Chloride can be used for oilfield water injection and microbicides and algae fungicidal in industrial circulating cooling water system. We can use filling, dipping or spraying method to use it as wool moth-proofing. Combining with chlorine dioxide, Didecyl Dimethyl Ammonium Chloride serves as a fungicide to process hard surface. In addition , Didecyldimethyl Ammonium Chloride acts as disinfectant cleaner for Linen recommended for use in hospitals, hotels and industries. Moreover, Didecyl Dimethyl Ammonium Chloride is also used in Gynaecology, Surgery, Ophthalmology, Pediatrics, OT, for the sterilization of surgical instruments, endoscopes and surface disinfection.

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