Phosphoric acid is an odorless, clear colorless syrupy liquid. It has a pH of 1.5 and a specific gravity of 1.69. Phosphoric acid has a concentration of 75 – 85%. The use of acid determines the concentration to be used.
Phosphoric acid is important as an industrial chemical used as an intermediate in the fertilizer industry, for metal surface treatment, it is used as an additive in the food industry, and used in edible oil refining.