Orthophosphoric acid

(phosphoric acid) — inorganic acid of average force

Orthophosphoric acid (phosphoric acid) ^[1] — inorganic acid of average force, with a chemical formula H3PO4 which under standard conditions represents colourless hygroscopic crystals .

At a temperature above 213 °C it turns into pyrophosphoric H4P2O7 acid . Very well a rastvorima in water. Usually orthophosphoric (or just phosphoric) acid call 85% water solution (flavourless colourless siropoobrazny liquid). Rastvorima also in ethanol and other solvents.