Phosphoric acid, also known as orthophosphoric acid or phosphoric(V) acid, is a weak acid with the chemical formula H3PO4. It is normally encountered as a colourless syrup of 85% concentration in water. The pure compound is a colourless solid.
|Appearance||Melting Point||Boiling Point||Solubility|
|Colourless syrup||40–42.4 °C (104.0–108.3 °F; 313.1–315.5 K||212 °C (414 °F)||Soluble in Ethanol|