Chemical Composition & Structure
Chemical Formula : C₂₁H₁₄Na₂O₆S₂
Molecular Weight : 472.44
CAS Number : 36290-04-7
Structure : Sodium polynaphthalene sulfonate (Na₂C₆H₄OS₂)
Physical Properties
Appearance : Light brown powder
Solubility : Highly soluble in water (completely dissolves in any hardness water)
Stability : Stable in acid, alkali, salt, and hard water environments
Performance Characteristics
Dispersion Capability : Excellent dispersion and anti-aggregation properties for organic and inorganic particles
pH Range : 7-9 (1% aqueous solution)
Impurities : ≤0.05% insoluble impurities, ≤4000 ppm calcium/magnesium ions
Industry Applications
Chemical Industry : Used as a dispersing agent in dye and pigment manufacturing (e.g., dispersion of active dyes, leather dyes)
Environmental Technology : Applied in water treatment, carbon black dispersion, and oil drilling
Agriculture : Serves as a dispersant in agricultural chemicals
Other Fields : Found in paper and textile coatings, electroplating, and adhesive formulations
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