what is the melting point of glacial acetic acid_what is the melting point of glacial acetic acid

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Glacial acetic acid, chemically known as ethanoic acid, is a concentrated form of acetic acid containing around 99% to 100% acetic acid. This highly polar solvent has a molecular formula of C2H4O2 and a distinctive sour taste and strong smell. Its name glacial refers to its ability to solidify into ice-like crystals at temperatures below 16.6°C (62°F).

One of the primary applications of glacial acetic acid lies in the chemical industry. It serves as a precursor to numerous synthetic processes, including the production of acetate esters, which are utilized in the manufacture of plastics, textiles, and solvents. Acetic anhydride, derived from glacial acetic acid, is instrumental in synthesizing synthetic fibers like cellulose acetate. Additionally, it is crucial in producing various pharmaceuticals and agrochemicals, which underscores its versatile utility.

Glacial acetic acid is a pure form of acetic acid, a simple carboxylic acid with the chemical formula CH₃COOH. The term glacial refers to the compound's physical state at temperatures below 16.6°C (62°F), where it transitions into a solid crystalline form. Glacial acetic acid is colorless and has a sharp, pungent odor, resembling that of vinegar but much stronger due to its higher concentration (typically around 99.5% purity).

struttura acido acetico glaciale

In addition to its industrial uses, glacial acetic acid is also used in laboratory settings. It is a common solvent for many organic compounds and is often used in chemical reactions as a catalyst.