Orthophosphoric acid meaning

Orthophosphoric acid, also known as phosphoric acid, is a mineral acid with the formula H3PO4 often used in food and beverage production as a pH regulator.


Orthophosphoric acid definitions

Word backwards cirohpsohpohtro dica
Part of speech The word "orthophosphoric" is an adjective.
Syllabic division or-tho-phos-phor-ic ac-id
Plural The plural of orthophosphoric acid is orthophosphoric acids.
Total letters 19
Vogais (3) o,i,a
Consonants (7) r,t,h,p,s,c,d

Orthophosphoric acid, also known simply as phosphoric acid, is a mineral acid with the chemical formula H3PO4. It is a clear, colorless liquid that is odorless and has a syrupy consistency. Orthophosphoric acid is a weak acid, meaning it does not fully dissociate in water, but it is still capable of donating three protons in solution.

One of the most common uses of orthophosphoric acid is in the food industry. It is used as an additive in carbonated beverages to give them their tangy taste. It also acts as a preservative and helps regulate the acidity of the product. In addition to its role in food, orthophosphoric acid is used in agriculture as a fertilizer.

Chemical Properties

Orthophosphoric acid is a tribasic acid, which means it has three replaceable hydrogen atoms. It is considered a strong acid in terms of chemical reactivity. When it reacts with a base, it forms salts known as phosphates. These phosphates are essential nutrients for plants and animals.

Industrial Applications

Orthophosphoric acid is used in various industrial processes, including the production of metal surface treatments, water treatment chemicals, and as a chemical reagent in the synthesis of pharmaceuticals. It is also used in the production of detergents and in the manufacture of flame-retardant materials.

Health Effects

While orthophosphoric acid is generally recognized as safe for consumption in low concentrations, it can be corrosive at higher concentrations. Direct contact with concentrated orthophosphoric acid can cause skin and eye irritation. It is important to handle this chemical with care and use appropriate safety precautions.

In conclusion, orthophosphoric acid plays a crucial role in various industries and is a versatile compound with a wide range of applications. Its chemical properties make it a valuable substance for use in food, agriculture, and industrial processes. Understanding the uses and safety considerations of orthophosphoric acid is essential for those working with this compound.


Orthophosphoric acid Examples

  1. The production of fertilizers involves the use of orthophosphoric acid.
  2. Orthophosphoric acid is commonly used in the food industry as a flavor enhancer.
  3. In dentistry, orthophosphoric acid is used as an etchant to prepare teeth for bonding procedures.
  4. The chemical industry utilizes orthophosphoric acid in the production of detergents and soaps.
  5. Orthophosphoric acid is a key component in the manufacturing of flame-retardant materials.
  6. The pharmaceutical industry relies on orthophosphoric acid for the synthesis of various drugs.
  7. Orthophosphoric acid is used in water treatment plants to adjust pH levels and remove impurities.
  8. Gardening enthusiasts use orthophosphoric acid to create nutrient-rich soil for their plants.
  9. Certain industrial cleaning products contain orthophosphoric acid for its strong cleaning properties.
  10. Research laboratories may utilize orthophosphoric acid in various experiments and chemical reactions.


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  • Updated 17/04/2024 - 10:04:44