Diallyldimethylammonium chloride

Diallyldimethylammonium chloride is a high-purity catalysts-auxiliary-agent supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.

1. Water Treatment Industry

Coagulant and flocculant aid: DADMAC-based polymers (e.g., polyDADMAC) are used in wastewater and drinking water treatment to remove suspended solids, oils, and organic matter.

Sludge dewatering: Helps in separating water from sludge, reducing disposal costs.

Clarification: Efficient in improving water clarity in municipal and industrial systems.

2. Paper and Pulp Industry

Retention and drainage aid: Enhances retention of fine particles and fillers during papermaking, improving productivity and sheet quality.

Fixing agent: Used to anchor dyes and sizing agents to the paper fibers.

Charge neutralizer: Controls the electrical charge balance in pulp suspensions for better paper uniformity.

3. Textile Industry

Antistatic and softening agents: DADMAC-derived polymers can be used in textile finishing to improve softness and reduce static buildup.

Fixing agent: Enhances the fixation of dyes to fabric, increasing color fastness.

4. Cosmetics and Personal Care

Hair conditioners and styling products: Polymers derived from DADMAC (e.g., Polyquaternium-6, -7) offer conditioning, film-forming, and antistatic effects.

Skin care: Acts as a moisturizer and softening agent in lotions and creams.

5. Oil and Gas Industry

Drilling mud additive: Used in water-based drilling fluids to control shale swelling and improve wellbore stability.

Oil recovery: Enhances flocculation of fines and improves fluid separation in oilfields.

6. Mining and Mineral Processing

Flocculant aid: Improves solid-liquid separation during ore processing and tailings management.

7. Chemical Industry

Monomer in cationic polymers: DADMAC is a key building block in the production of various copolymers with acrylamide, used in diverse industrial applications.

1. High Cationic Charge Density

DADMAC and its polymers have an exceptionally strong positive charge, making them highly effective in binding negatively charged particles (e.g., clays, organic matter, cellulose fibers).

2. Excellent Water Solubility

Readily dissolves in water, ensuring uniform dispersion in aqueous formulations and processes.

3. Fast Reactivity

Quickly undergoes polymerization and interacts efficiently with contaminants in water treatment or other target particles.

4. Thermal and Chemical Stability

The polymers are stable under a wide range of pH and temperature conditions, making them reliable in harsh industrial processes.

5. Low Toxicity and Environmental Compatibility

Compared to some older cationic compounds, DADMAC and polyDADMAC are relatively safe for use in water systems when properly dosed and managed.

6. Compatibility with Other Additives

Can be blended with nonionic or anionic polymers to create tailored flocculant and coagulant systems for specific applications.

Diallyldimethylammonium chloride (CAS 7398-69-8) is a highly functional monomer used extensively in the water treatment, papermaking, textile, personal care, and oilfield industries. Its outstanding cationic properties, versatile reactivity, and formulation flexibility make it an essential component for improving efficiency, product quality, and environmental compliance in many industrial processes.

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