Phosphoric acid

phosphoric acid, also called orthophosphoric acid, (H3PO4), the most important oxygen acid of phosphorus, used to make phosphate salts for fertilizers. It is also used in dental cements, in the preparation of albumin derivatives, and in the sugar and textile industries.

What is 85% phosphoric acid used for?
 
Food-grade 85% phosphoric acid is commonly used for pH control and adjustment in a variety of foods and beverages. It is a food-grade level chemical and should not be misinterpreted as a dangerous acid.