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Didecyldimonium Chloride (DDAC) is a quaternary ammonium compound widely used as a disinfectant, sanitizer, preservative, and biocide.
Didecyldimonium Chloride is effective against a broad spectrum of microorganisms, including bacteria, fungi, and some viruses, making it highly valuable in healthcare, food processing, water treatment, and industrial hygiene applications.
Didecyldimonium Chloride is also employed in wood preservation, paints, and coatings for its antimicrobial properties.
Its surfactant and cationic nature provide both cleaning and antimicrobial activity.
CAS Number: 7173-51-5
EC Number: 230-525-2
Molecular Formula: C22H48ClN
Molecular Weight: 362.09 g/mol
Synonyms: Didecyldimethylammonium Chloride, DDAC, Didecyl Dimethyl Ammonium Chloride, Quaternary Ammonium Compound DDAC, Biocidal Agent DDAC, Sanitizer DDAC, Disinfectant DDAC, Antimicrobial DDAC, Didecyldimonium Chloride (DDAC), DDAC, Didecyl Dimethyl Ammonium Chloride, Didecyl Dimethyl Quaternary Ammonium Chloride, Quaternary Ammonium Compound DDAC, Quat DDAC, Didecyldimethylammonium Chloride, Didecyldimethylammonium Salt, DDAC Quat, Didecyl Quat, Didecyl Dimethyl Ammonium Salt, Didecyldimethyl Ammonium Chloride Solution, Didecyldimethyl Ammonium Chloride 80%, Didecyldimethyl Ammonium Chloride 50%, Didecyldimethyl Ammonium Chloride 40%, DDAC-50, DDAC-80, Didecyldimethyl Ammonium Chloride Compound, Didecyldimethyl Ammonium Chloride Material, Didecyldimethyl Ammonium Chloride Product, Didecyldimethyl Ammonium Chloride Substance, DDAC Disinfectant, DDAC Antimicrobial, DDAC Biocide, DDAC Sanitizer, DDAC Preservative, DDAC Algicide, DDAC Fungicide, DDAC Bactericide, DDAC Virucide, DDAC Antiseptic, DDAC Active Ingredient, DDAC Functional Ingredient, DDAC Specialty Ingredient, DDAC Functional Additive, DDAC Specialty Additive, DDAC Cleaning Agent, DDAC Surface Disinfectant, DDAC Water Treatment Agent, DDAC Hard Surface Cleaner, DDAC Food Contact Sanitizer, DDAC Industrial Disinfectant, DDAC Institutional Disinfectant, DDAC Hospital Disinfectant, DDAC Veterinary Disinfectant, DDAC Agricultural Biocide, DDAC Technical Grade, DDAC Industrial Grade, DDAC Pharmaceutical Grade, DDAC Cosmetic Grade, DDAC Laboratory Grade, DDAC Research Grade, DDAC Pure, DDAC Extra Pure
APPLICATIONS
Didecyldimonium Chloride is used as a disinfectant in healthcare facilities.
Didecyldimonium Chloride provides antimicrobial action against bacteria and fungi.
Didecyldimonium Chloride is applied in hospital disinfectants and antiseptic formulations.
Didecyldimonium Chloride is employed in food industry sanitizers.
Didecyldimonium Chloride prevents microbial contamination of surfaces.
Didecyldimonium Chloride ensures hygiene in food processing plants.
Didecyldimonium Chloride is incorporated in water treatment.
Didecyldimonium Chloride controls biofilm and microbial growth in cooling towers.
Didecyldimonium Chloride is used in swimming pool disinfectants.
Didecyldimonium Chloride is applied in agriculture.
Didecyldimonium Chloride is used as a fungicide and bactericide in crop protection.
Didecyldimonium Chloride prevents post-harvest spoilage of fruits and vegetables.
Didecyldimonium Chloride is incorporated in wood preservation.
Didecyldimonium Chloride prevents fungal decay and mold growth.
Didecyldimonium Chloride extends the service life of treated wood.
Didecyldimonium Chloride is used in paints and coatings.
Didecyldimonium Chloride imparts antimicrobial resistance to surfaces.
Didecyldimonium Chloride reduces biofouling in marine coatings.
Didecyldimonium Chloride is employed in cleaning and sanitizing products.
Didecyldimonium Chloride acts as a cationic surfactant.
Didecyldimonium Chloride enhances cleaning efficiency while disinfecting.
Didecyldimonium Chloride is used in the leather and textile industries.
Didecyldimonium Chloride prevents microbial degradation of fabrics.
Didecyldimonium Chloride improves preservation during storage.
Didecyldimonium Chloride (DDAC) is used as a disinfectant.
Didecyldimonium Chloride (DDAC) provides broad-spectrum antimicrobial activity.
Didecyldimonium Chloride (DDAC) is effective against bacteria, fungi, and viruses.
Didecyldimonium Chloride (DDAC) is applied in hospitals.
Didecyldimonium Chloride (DDAC) is used in surface disinfectants.
Didecyldimonium Chloride (DDAC) ensures hygiene in medical facilities.
Didecyldimonium Chloride (DDAC) is used in food processing plants.
Didecyldimonium Chloride (DDAC) disinfects equipment and surfaces.
Didecyldimonium Chloride (DDAC) helps control cross-contamination.
Didecyldimonium Chloride (DDAC) is incorporated in household cleaners.
Didecyldimonium Chloride (DDAC) provides germicidal action in multipurpose sprays.
Didecyldimonium Chloride (DDAC) is used in bathroom and kitchen cleaning products.
Didecyldimonium Chloride (DDAC) is used in water treatment.
Didecyldimonium Chloride (DDAC) prevents microbial growth in cooling towers.
Didecyldimonium Chloride (DDAC) reduces biofilm formation.
Didecyldimonium Chloride (DDAC) is applied in agriculture.
Didecyldimonium Chloride (DDAC) is used as a biocide in crop protection.
Didecyldimonium Chloride (DDAC) helps control plant pathogens.
Didecyldimonium Chloride (DDAC) is used in the leather industry.
Didecyldimonium Chloride (DDAC) prevents mold growth on leather goods.
Didecyldimonium Chloride (DDAC) extends product shelf life.
Didecyldimonium Chloride (DDAC) is incorporated in paints and coatings.
Didecyldimonium Chloride (DDAC) protects coatings from microbial degradation.
Didecyldimonium Chloride (DDAC) enhances product durability.
Didecyldimonium Chloride (DDAC) is used in wood preservation.
Didecyldimonium Chloride (DDAC) prevents fungal and algal growth.
Didecyldimonium Chloride (DDAC) extends life of treated wood.
Didecyldimonium Chloride (DDAC) is applied in textiles.
Didecyldimonium Chloride (DDAC) inhibits mold and mildew formation.
Didecyldimonium Chloride (DDAC) ensures freshness in stored fabrics.
Didecyldimonium Chloride (DDAC) is used in personal care.
Didecyldimonium Chloride (DDAC) functions as a conditioning agent in hair products.
Didecyldimonium Chloride (DDAC) improves softness and manageability.
DESCRIPTION
Didecyldimonium Chloride (DDAC) has the CAS number 7173-51-5.
Didecyldimonium Chloride (DDAC) has the EC number 230-525-2.
Didecyldimonium Chloride (DDAC) has the molecular formula C22H48ClN.
Didecyldimonium Chloride (DDAC) has a molecular weight of 362.08 g/mol.
Didecyldimonium Chloride (DDAC) appears as a clear to pale yellow liquid.
Didecyldimonium Chloride (DDAC) has a mild amine-like odor.
Didecyldimonium Chloride (DDAC) is soluble in water and alcohols.
Didecyldimonium Chloride (DDAC) is stable under normal storage conditions.
Didecyldimonium Chloride (DDAC) is corrosive and requires protective handling.
Didecyldimonium Chloride (DDAC) is classified as hazardous to aquatic life.
Didecyldimonium Chloride (DDAC) should be stored in tightly sealed containers.
Didecyldimonium Chloride (DDAC) is regulated under biocidal product directives worldwide.
Didecyldimonium Chloride is a clear to yellowish liquid, supplied as aqueous or alcoholic solutions.
It has a characteristic mild odor and exhibits cationic surfactant properties.
It is soluble in water and polar solvents, producing stable solutions.
Didecyldimonium Chloride is stable under normal conditions but may degrade under strong oxidizing environments.
It provides both surfactant and antimicrobial activity due to its quaternary ammonium structure.
It is classified as toxic to aquatic life and requires controlled use.
Didecyldimonium Chloride is widely approved for regulated disinfection applications under specific safety standards.
It complies with biocidal product regulations in multiple regions.
It is effective at low concentrations against a broad range of microorganisms.
PROPERTIES
Appearance: Clear to yellowish liquid
Odor: Mild, amine-like
Density: ~0.89–0.91 g/cm³ (20°C)
Melting Point: ~240°C (decomposes)
Boiling Point: Not applicable (decomposes)
Flash Point: >100°C
Solubility: Soluble in water, ethanol, and other polar solvents
pH (1% solution): ~6–8
Reactivity: Reacts with anionic surfactants and strong oxidizers
Stability: Stable under recommended storage
Storage Temperature: Store at 10–30°C in closed containers, away from heat and sunlight
FIRST AID
Inhalation:
Remove to fresh air if vapors or aerosols are inhaled.
Seek medical attention if symptoms occur.
Skin Contact:
Wash with soap and water immediately.
Remove contaminated clothing.
Seek medical attention if irritation develops.
Eye Contact:
Flush with plenty of water for at least 15 minutes.
Seek immediate medical attention.
Ingestion:
Rinse mouth with water.
Do not induce vomiting.
Seek medical attention immediately.
Note to Physicians:
Treat as exposure to a cationic surfactant and irritant.
Provide supportive and symptomatic care.
HANDLING AND STORAGE
Handling:
Avoid contact with skin, eyes, and clothing.
Wear protective gloves, goggles, and clothing.
Do not inhale aerosols or mists.
Ventilation:
Provide adequate local exhaust ventilation in processing areas.
Avoidance:
Avoid mixing with anionic surfactants and strong oxidizing agents.
Prevent release into the environment.
Spill and Leak Procedures:
Contain spills with inert absorbent material.
Dispose of in accordance with local regulations.
Avoid discharge into waterways.
Storage:
Store in a tightly closed container in a cool, dry, well-ventilated area.
Protect from freezing, direct sunlight, and excessive heat.
Keep separate from incompatible materials.
