Octadecanoic acid meaning

Octadecanoic acid, also known as stearic acid, is a saturated fatty acid with a chemical formula of CH3(CH2)16COOH.


Octadecanoic acid definitions

Word backwards cionacedatco dica
Part of speech Noun
Syllabic division oc-ta-de-ca-no-ic ac-id
Plural The plural of octadecanoic acid is octadecanoic acids.
Total letters 16
Vogais (4) o,a,e,i
Consonants (4) c,t,d,n

Octadecanoic acid, also known as stearic acid, is a saturated fatty acid commonly found in various animal and vegetable fats. It is a waxy solid that is odorless and tasteless at room temperature. This fatty acid plays a crucial role in many biological processes and is used in various industrial applications.

Properties of Octadecanoic Acid

Octadecanoic acid has a chemical formula of C18H36O2 and a molecular weight of 284.48 g/mol. It is insoluble in water but soluble in organic solvents such as alcohol and ether. This fatty acid is non-toxic and is generally recognized as safe for consumption by regulatory authorities.

Biological Importance

Stearic acid is a vital component of the human diet and is present in many food sources, including meat, dairy products, and cocoa butter. In the body, it can be metabolized to oleic acid, a monounsaturated fatty acid that has numerous health benefits. Additionally, stearic acid plays a role in the synthesis of complex lipids, cell membranes, and hormones.

Industrial Applications

Due to its versatility, stearic acid is widely used in various industries. It is commonly used in the production of candles, cosmetics, plastics, and soaps. In the rubber industry, stearic acid is used as an activator in the vulcanization process. It also acts as an emulsifying agent in food products and a lubricant in pharmaceuticals.

Overall, octadecanoic acid, or stearic acid, is a multifunctional compound with significant biological importance and a wide range of industrial applications. Its unique properties make it a valuable ingredient in various products that we use in our daily lives.


Octadecanoic acid Examples

  1. Octadecanoic acid is commonly found in coconut oil.
  2. Researchers are studying the potential health benefits of octadecanoic acid.
  3. Octadecanoic acid is used in the production of soaps and detergents.
  4. Food manufacturers sometimes add octadecanoic acid to enhance flavor.
  5. Octadecanoic acid is a saturated fatty acid that can be found in dairy products.
  6. Cosmetic products often contain octadecanoic acid for its moisturizing properties.
  7. Farmers use octadecanoic acid as a pesticide to protect crops.
  8. Octadecanoic acid plays a role in lipid metabolism in the human body.
  9. Industrial applications of octadecanoic acid include lubricants and plasticizers.
  10. Researchers are investigating the potential uses of octadecanoic acid in drug delivery systems.


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  • Updated 27/03/2024 - 20:08:02