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