Understanding Glacial Acetic Acid
Glacial acetic acid is the pure, concentrated form of ethanoic acid that contains less than 1% water. At room temperature, it appears as a clear liquid with a strong, pungent odor. You can find more details and product specifications at Qiboch’s glacial acetic acid page.
Origin of the Term “Glacial”
The name “glacial” comes from the fact that glacial acetic acid solidifies into ice-like crystals when the temperature drops below 16.6 °C (62 °F). This crystalline, glacier-like appearance gave rise to its descriptive name. Unlike diluted acetic acid solutions (such as vinegar), the pure form is highly concentrated and can freeze under common room conditions.
| Property | Glacial Acetic Acid |
|---|---|
| Water content | < 1% |
| Freezing point | 16.6 °C (62 °F) |
| Appearance when frozen | Ice-like crystals |
| Common name origin | Glacier-like solidification |
Industrial and Laboratory Uses
Because of its high purity, glacial acetic acid is widely used in chemical synthesis, pharmaceuticals, food processing, and textile manufacturing. It acts as a key raw material for producing acetate esters, acetic anhydride, and other industrial chemicals. Its strong acidity and solvency also make it valuable in laboratory research and cleaning applications.
For an in-depth chemical profile and safety data, you can check the PubChem resource on acetic acid.
Safety Considerations
Unlike diluted vinegar, glacial acetic acid is corrosive and can cause severe burns upon contact with skin or eyes. It should always be handled with protective gloves, goggles, and proper ventilation. Storing it in a cool, sealed container ensures stability and prevents contamination.
