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Water Treatment Chemical Diallyl Dimethyl Ammonium Chloride Dadmac CAS 7398-69-8

Name:Diallyldimethylammonium chloride/ DADMAC
CAS: 7398-69-8
Chemical formula:C8H16ClN
Appearance: Colorless liquid
Availability:
Quantity:
  • DADMAC 65%

  • SINOBIO

  • 3402410000

Sinobio Factory Supply Dimethyl Ammonium Chloride DADMAC 65%



Diallyl Dimethyl Ammonium Chloride (DADMAC), CAS No. 7398-69-8, is a high-purity, high-charge-density quaternary ammonium salt cationic monomer with excellent physical and chemical properties and a wide range of applications.


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


Item 60% 65%
Appearance
Colorless to light yellow
transparent liquid
Colorless to light yellow
transparent liquid
Solid Content 60±1% 65±1%
pH value (20°C)
3-7 3-7
NaCl,%
≤3
≤3



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.



DADMAC 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.


6. Laboratory and Research

*Polymerization monomers: Synthesize cationic polymers for research in nanomaterials, drug carriers, etc.

*Surfactants: Act as emulsifiers and dispersants, stabilizing colloidal systems.




Packaging & Shipping


Stanard package: 50kg drum , 200kg drum and 1000kg/IBC.

1) Sample is also  avaliable, provide customized package for different quantity.

2) Shipping:by sea or by air or express. SINOBIO cooperate with different shipping company to help customer arrange the shipping for different quantity.

3) Payment:T/T,western union,moneygram or as your requirement.

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