glacial acetic acid in ethyl acetate_glacial acetic acid in ethyl acetate

Preparing a Glacial Acetic Acid Solution for Laboratory Use

One of the primary uses of glacial acetic acid is as a precursor to key chemical compounds. It is widely employed in the production of acetic anhydride, which is a critical reagent in the synthesis of various chemicals, including pharmaceuticals, dyes, and pigments. Additionally, it plays a significant role in the manufacture of acetate fibers, such as rayon, and is used in the production of plastics.

Glacial acetic acid is known for its excellent stability. Unlike many organic compounds, it does not degrade quickly. When stored correctly in appropriate conditions, glacial acetic acid can remain effective for an extended period. Its shelf life can be considerable, often exceeding five years when kept in proper storage conditions—sealed in a cool, dark place away from direct sunlight and extreme temperatures.

Glacial acetic acid, a colorless liquid with a sharp, pungent odor, is a crucial chemical compound extensively used in various industrial processes and laboratory settings. Its chemical formula is C₂H₄O₂, and it is often referred to by its systematic name, ethanoic acid. The term glacial typically denotes that the substance is in a highly concentrated form, containing around 99-100% acetic acid. This concentrated form solidifies into ice-like crystals at temperatures around 16.6 degrees Celsius (62 degrees Fahrenheit), which is why it is called glacial.

酢酸の役割と用途 - 100％純粋な酢酸について

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