Citric Acid

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Identification

Molecular formula
C6H8O7
CAS Number
77-92-9
IUPAC Name
citric acid
Molecular Weight
192.12g/mol
Melting Point
(Celsius)
Boiling Point
(Celsius)
Density
1.6650g/cm3
Synonyms
citric acid
Interesting facts

Interesting Facts about Citric Acid

Citric acid, known scientifically as 2-hydroxypropane-1,2,3-tricarboxylic acid, is more than just a common ingredient in your kitchen. It plays a vital role in various biological and industrial processes. Here are some captivating aspects that highlight its significance:

  • Natural Preservative: Citric acid is widely used as a preservative in food and beverages. Its ability to inhibit the growth of bacteria and mold makes it an excellent choice for prolonging shelf life.
  • Key Player in Metabolism: In cellular respiration, citric acid is a key component of the Krebs cycle (or citric acid cycle), an essential metabolic pathway that enables cells to generate energy from carbohydrates, fats, and proteins.
  • Versatile Uses: Outside the realm of culinary applications, citric acid is employed in various sectors, including:
    • Cosmetics: As a pH adjuster and exfoliant, it enhances product efficacy.
    • Pharmaceuticals: Used in medications as a buffering agent.
    • Cleaning agents: Its ability to dissolve mineral deposits makes it a valuable cleaning agent in household and industrial cleaners.
  • Beneficial for Health: Citric acid is also recognized for its antioxidant properties, potentially contributing to the body's defense against oxidative stress.
  • Citric Acid Cycle Naming: Interestingly, the citric acid cycle is named after citric acid, emphasizing its role as the first intermediate formed during the cycle.

As you can see, citric acid is much more than a common organic compound. Whether you're enjoying a refreshing glass of lemonade or studying biochemical pathways, citric acid is always at work!

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