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ALUMINIUM SULPHATE

ucnchemical > CHEMICAL > ALUMINIUM SULPHATE

ALUMINIUM SULPHATE

Aluminium sulfate is a chemical compound with the formula Al2(SO4)3. It is soluble in water and is mainly used as a coagulating agent (promoting particle collision by neutralizing charge) in the purification of drinking water and waste water treatment plants, and also in paper manufacturing. Documentation:
Technical data
  • Molecular Formula
    Al2(SO4)3
  • Molar Mass
    342.15 g/mol (anhydrous)
  • Appearance
    White Crystalline Solid
  • Density
    2.672 g/cm3 (anhydrous)
  • Solubility in water
    31.2 g/100 mL (0 °C) 36.4 g/100 mL (20 °C) 89.0 g/100 mL (100 °C)
  • Solubility
    Slightly soluble in alcohol
  • Acidity (pKa)
    3.3-3.6
  • Refractive index(nD)
    1.47