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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