Acetic acid, or ethanoic acid, is a colourless organic acid with a pungent smell and a sour taste.
Its chemical formula is CH3COOH, and it is a key chemical in various industries.
In the pharmaceutical industry, acetic acid is used as a solvent and reagent in the synthesis of several compounds.
Its antimicrobial properties also make it valuable for medical applications.

In the food industry, acetic acid is a major component of vinegar, contributing to its flavour and preservation properties.
It is used as a food additive to enhance acidity and as a preservative to inhibit microbial growth.
General industrial applications include the production of plastics, synthetic fibres, and esters for paints and coatings.

Physical and Chemical Properties

Property Value
Chemical Formula CH3COOH
Molecular Weight 60.05 g/mol
Boiling Point 118.1 °C
Melting Point 16.6 °C
Density 1.049 g/cm3
pKa 4.76
Appearance Colourless liquid

Applications

  • Pharmaceuticals: Used as a reagent, solvent, and antimicrobial agent.
  • Food Industry: Preservative, acidity regulator, and flavouring agent in vinegar.
  • General Industries: Synthesis of plastics, fibres, and esters for coatings.
Variation

LOTTE • KOREA, TAIWAN

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