Ortho Phosphoric Acid is accessible in food grade and industrial grade choices. It is accessible in colorless translucent liquid form. Its purity level is 85%.Free from unpleasant smell, this chemical has sour taste. It transforms into metal phosphoric acid when 300 degree C heat is applied on it. Ortho Phosphoric Acid has 42.35 degree C melting point and its relative density is 1.834 g/cm3. It easily dilutes in water and also in ethanol. Its exposure to skin may cause irritation.