Stearic Acid

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Identification

Molecular formula
C18H36O2
CAS Number
57-11-4
IUPAC Name
stearic acid
Molecular Weight
284.48g/mol
Melting Point
(Celsius)
Boiling Point
(Celsius)
Density
0.8470g/cm3
Synonyms
stearic acid
Interesting facts

Interesting Facts about Stearic Acid

Stearic acid is a fascinating compound that belongs to the family of saturated fatty acids. Here are some intriguing insights about this versatile substance:

  • Natural Occurrence: Stearic acid is abundantly found in various animal and plant fats. It comprises a significant portion of cocoa butter and shea butter, making it essential in the cosmetic and food industries.
  • Applications: Due to its emollient properties, stearic acid is widely used in products such as:
    • Cosmetics (creams and lotions)
    • Soaps
    • Candles
    • Industrial lubricants
  • Biological Role: Stearic acid functions as a source of energy for the body. It can be metabolized into other fatty acids, demonstrating its importance in lipid metabolism.
  • Chemical Reactions: Stearic acid is known for its role in the formation of soaps. When it undergoes saponification with an alkali, it produces stearate salts, which have cleaning properties. As a notable quote in the field states: "The art of soap making is both chemistry and craftsmanship."
  • Health Perspectives: Being a saturated fat, the consumption of stearic acid has been the subject of various health studies. Some research suggests that it does not raise cholesterol levels as much as other saturated fats, which makes it a unique fatty acid in terms of dietary implications.

In summary, stearic acid is not just a simple fatty acid; it is integral to many industries and plays a crucial role in our daily lives, from personal care products to health and nutrition.

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