Phosphorous acid is in Colorless, transparent, and syrupy liquid or rhombic crystalline; Phosphorus acid is odorless and tastes very sour; its melting point is 42.35℃ and when heated to 300℃ phosphorous acid will become into metaPhosphoric Acid; its relative density is 1.834 g/cm3; phosphoric acid is easily soluble in water and resolves in ethanol; Phosphate acid may irritate human skin to cause phlogosis and destroy the issue of the human body; phosphorus acid shows corrosiveness being heated in ceramic vessels; phosphate acid has got hygroscopicity.
Phosphoric Acid Uses :
① Technical grade Phosphoric Acid may be used to produce a variety of Phosphates, electrolyte treatment liquids or chemical treatment liquids, refractory mortar with phosphoric acid, and inorganic coherent.
② Phosphoric acid is also used as a catalyst, drying agent, and cleaner.
③ In the coating industry phosphoric acid is used as a rust-proof coating for metals;
④ As an acidity regulator and nutrition agent for yeast food-grade phosphoric acid may be applied to flavors, canned food, and light drinks as well as used in wine brewery as a nutrients source for the yeast to prevent the reproduction of useless bacteria.
The current selling prices of 85% food grade phosphoric acid are as follows: