Product Name: Didecyldimethylammonium Chloride (DDAC)

CAS Number: 7173-51-5

Molecular Formula: C22H48ClN

Molecular Weight: 362.08 g/mol

Other Names: DDAC, Didecyldimethylammonium Chloride, Antiseptic 131

Product Description

Didecanyldimethylammonium chloride (DDAC, CAS 7173-51-5) is a cationic quaternary ammonium surfactant with excellent bactericidal, algaecidal, antistatic, and emulsifying properties. It is widely used in disinfectants, industrial water treatment, petrochemicals, leather, textiles, and daily chemical industries. As a highly effective biocide, DDAC has been approved by the EU and US EPA for use in various disinfectant formulations.

Physical & Chemical Properties

Applications

Disinfectants and fungicides: Disinfection in hospitals, food processing, and livestock farms.

Industrial water treatment: Used for cooling water and swimming pool water treatment to prevent bacterial and algae growth.

Petrochemicals: Antiseptic and fungicide to extend equipment life.

Leather and textiles: Antifungal treatment to maintain product quality.

Household chemicals: Used as an antistatic agent and softener in hair conditioners.

Product Advantages

✅ Broad bactericidal spectrum, effective against bacteria, fungi, and viruses

✅ Compatible with a variety of surfactants, offering excellent compatibility

✅ Low toxicity and a wide range of usable concentrations

✅ Stable supply, readily available, and available in various concentrations (50%/80%)

✅ Compliant with EPA and EU BPR requirements, suitable for global export

Company Advantages

🌐 15+ years of experience in exporting surfactant and disinfectant raw materials

🏆 Products certified by ISO, SGS, Reach, and other international certifications

🚢 Available in a variety of packaging sizes, customizable

📑 Provides COA, MSDS, TDS, and registration documentation

⏱ Fast delivery and extensive export experience

Packaging and Storage

Packaging: 200kg plastic drum / 1000kg IBC drum

Storage: Store in a cool, dry, well-ventilated environment, away from strong sunlight

Shelf Life: 24 months

FAQ（Frequently Asked Questions）

Q1: What is the main use of DDAC?

👉 DDAC is mainly used as a disinfectant, preservative, and biocide in water treatment, healthcare, and industrial applications.

Q2: What concentrations are available?

👉 Commonly supplied as 50% or 80% aqueous solution.

Q3: Is DDAC safe?

👉 At recommended concentrations, DDAC is considered safe and is widely approved in disinfectant formulations.

Q4: Do you provide documentation for regulatory compliance?

👉 Yes, we provide COA, MSDS, TDS, and support documents for EPA, EU BPR compliance.

Q5: Can I order in bulk with customized packaging?

👉 Yes, bulk orders and customized packaging (200kg drums, IBCs) are available.

📞Contact us for samples or a quote

🚢 Samples available | OEM services | Free technical support | Worldwide shipping