Factory Supply Dimethyl Ammonium Chloride DADMAC 65%
Basic Information
Chemical Name: Diallyl Dimethyl Ammonium Chloride
Abbreviation: DADMAC or DMDAAC
CAS Number: 7398-69-8
Molecular Formula: C₈H₁₆ClN
Molecular Weight: 161.67 g/mol
Appearance: Colorless to pale yellow, transparent liquid
State: Liquid at room temperature, non-pungent odor, and non-hydrolyzable
Solubility: Completely soluble in water, miscible in all proportions
Stability: Stable at room temperature, non-flammable and non-explosive
Physicochemical Properties
Melting Point: 140-148°C
Density: 1.04-1.12 g/cm³ (20°C)
pH: 3-7 (1% solution)
Color: ≤50 APHA
Sodium Chloride Content: ≤3%
Charge Characteristics: High charge density quaternary ammonium salt with strong cationic properties
DADMAC Specification
DADMAC 65% Core Features
1. High Reactivity: As a cationic monomer, it can form high molecular weight polymers through free radical polymerization.
2. Strong Electrostatic Binding Capacity: The cationic charge binds to negatively charged substances (such as suspended particles and fibers), enhancing adsorption and flocculation.
3. Molecular Weight Compatibility: It can be copolymerized with a variety of monomers to adjust polymer molecular weight and properties.
4. Excellent Water Solubility: It is completely soluble in water, facilitating formulation design and application.
Scope of Application
1. Water Treatment
* Flocculant: PolyDADMAC is a highly efficient inorganic/organic composite flocculant used in wastewater treatment, sludge dewatering, and drinking water purification.
* Decolorizer: Removes dyes, organic matter, and other colored substances from water.
* Particle Aggregator: Promotes the sedimentation of suspended particles through charge neutralization and bridging.
2. Paper Industry
* AKD Ripening Accelerator: Accelerates the reaction between alkyl ketene dimer (AKD) and fibers, improving paper sizing efficiency.
* Paper Conductive Agent: Imparts antistatic properties to paper, reducing static interference during the printing process.
3. Textile Dyeing and Finishing
* Formaldehyde-Free Fixative: Replaces formaldehyde-containing fixatives, improving dye fastness and environmental friendliness.
* Antistatic Agent: Reduces static electricity accumulation on fibers, improving processing performance.
4. Household Chemicals
* Shampoo Conditioner: Improves hair combability and shine.
* Wetting Agent: Reduces surface tension and enhances product penetration. *Antistatic agents: Used in hair conditioners, skin care products, etc. to reduce static electricity.
5. Oilfield Chemistry
*Flocculants: Treat drilling fluids and wastewater, separating solid particles.
*Clay stabilizers: Prevent clay swelling and migration in formations, protecting reservoirs.
