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Food Additives & Ingredients

Phosphoric acid

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Phosphoric acid

  • Chemical Formula: H₃PO₄
  • Appearance: Clear, colorless, or slightly yellowish liquid or white crystalline solid (depending on concentration)
  • Odor: Odorless
  • Purity: Varies by grade, typically ranging from 75% to 85% or higher (liquid), or 99% (solid)
  • Molecular Weight: 97.99 g/mol
  • Density: Varies with concentration (e.g., 1.685 g/mL for 85% solution)
  • Melting Point: 42.35 °C (for pure anhydrous)
  • Boiling Point: 158 °C (for 85% solution)
  • Solubility: Highly soluble in water
  • Acidity: Strong acid