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| Parameter | Details |
|---|---|
| Chemical Name | Diallyldimethylammonium Chloride; DMDAAC |
| CAS Number | 7398-69-8 |
| Molecular Formula | C₈H₁₆NCl |
| Molecular Weight | 161.67 g/mol |
| Physical Appearance | Colorless to pale yellow transparent liquid; Odorless |
| Concentration & Purity | Industrial grade: 60% or 65% aqueous solution (common); Purity ≥99% (on anhydrous basis) |
| pH Value | 5.0–7.0 (for 60% aqueous solution) |
| Color Index | ≤50 Hazen (for 60% aqueous solution) |
| Solubility | Highly soluble in water; Miscible with most polar organic solvents; Insoluble in non-polar solvents (e.g., petroleum ether, benzene) |
| Chemical Properties | Cationic quaternary ammonium salt with permanent positive charge; Contains two reactive allyl double bonds, prone to free-radical homopolymerization or copolymerization; Stable at room temperature, non-hydrolyzable, non-flammable; Incompatible with strong oxidizers and reducing agents |
| Primary Applications | 1. Monomer for Polymers: Precursor for PolyDADMAC (Polyquaternium-6), a widely used cationic polyelectrolyte2. Surfactant & Disinfectant: Component of antistatic agents, fabric softeners, and disinfectant formulations3. Material Modification: Monomer for modifying the surface properties of resins, fibers, and coatings |
