DDAC – The Broad-Spectrum Disinfectant & Sanitizer for Modern Hygiene Demands

In today's world, where public health and sanitation have become paramount concerns across hospitals, hotels, food processing facilities, and households, the demand for effective, safe, and long-lasting disinfectants has never been greater. Didecyl Dimethyl Ammonium Chloride (DDAC) , a high-performance dialkyl quaternary ammonium compound, has emerged as the preferred biocidal agent for a wide range of disinfection and sanitization applications.

Unmatched Broad-Spectrum Antimicrobial Efficacy

DDAC is characterized by its exceptional broad-spectrum antimicrobial properties, demonstrating potent bactericidal, virucidal, and fungicidal activity against a wide range of microorganisms. It effectively inhibits and kills various bacteria—including both gram-positive and gram-negative strains—fungi, algae, and enveloped viruses. This remarkable versatility makes DDAC an ideal active ingredient for disinfectant formulations used across diverse settings.

What sets DDAC apart from conventional disinfectants is its long-lasting residual effect, which avoids the shortcoming of frequent dosing required by traditional products. Unlike chlorine-based disinfectants that can damage fibers and cause discoloration, DDAC offers color protection benefits and is fiber-friendly, making it particularly suitable for laundry and textile applications.

Superior Formulation Properties

DDAC (CAS 7173-51-5) presents as a light yellow to straw-yellow transparent liquid with a slight odor. It demonstrates excellent solubility in cold water, low-carbon alcohols, ketones, and propylene glycol, providing formulators with exceptional flexibility. The compound maintains its antimicrobial efficacy even in hard water conditions up to 800 ppm, without any decrease in performance. Its effective pH range of 6-9 ensures reliable disinfection across most practical applications.

With a specific gravity of 0.891 at 25°C, a flashpoint of 107°F, and a freezing point of 50°F, DDAC demonstrates excellent stability under normal storage conditions. Available in various active content specifications, typically 40%, 50%, and 80%, DDAC offers formulation flexibility to meet diverse customer requirements.

Diverse Applications Across Industries

Healthcare and Medical Facilities: DDAC is recommended for use in hospitals, surgical units, and medical facilities for surface disinfection and equipment sterilization. It is also utilized in gynecology, ophthalmology, pediatrics, and operating theaters.

Hospitality and Commercial Sanitation: Hotels, shopping malls, and industrial workshops rely on DDAC-based formulations for daily sanitary cleaning and regular deep sterilization.

Food Processing and Agriculture: DDAC is widely used to sanitize farm and veterinary equipment, including water circuits, kennels, drinking and feeding troughs, transport vehicles, warehouses, slaughterhouses, and food processing facilities. In agriculture, it serves as a biocide, fungicide, bactericide, herbicide, and algaecide.

Household and Laundry Products: Increasingly incorporated into a variety of detergents, DDAC enhances products like disinfectants, hand washes, antimicrobial rinses, laundry liquids, disinfectant wipes, and kitchen cleaners with its powerful germicidal properties.

Swimming Pools and Humidifiers: DDAC is used in swimming pool sanitation and humidifier disinfection, providing reliable microbial control.

The Kairui Advantage

Shandong Kairui Chemistry Co., Ltd. specializes in the R&D and production of water treatment chemical raw materials, providing high-purity and high-stability Didecyl Dimethyl Ammonium Chloride products. With strict quality control throughout the production process, the company ensures consistent product efficacy and compliance with international industrial and sanitary standards. The company supports customized specifications and bulk supply to meet diverse customer demands worldwide.

Contact Shandong Kairui Chemistry Co., Ltd. today for your DDAC requirements:

  • TEL: +86-632-3671188

  • E-mail: export@krchemical.com

  • ADD: No.1, Fuqian South Road, Xuecheng Chemical Industrial Park, Xuecheng District, Zaozhuang City, Shandong Province, China