Acetic acid

Acetic acid with a molecular formula of CH3COOH and a molecular weight of 60/05 is a mineral component belonging to the acid group. It is polar and soluble in water. This acid is indicated by the acronym AcOH. In vinegar, there is approximately 18-4% by weight of acetic acid.

Chemistry of vinegar or acetic acid

Acetic acid is colorless and is a part of carboxylic acids, and is known as Atenegic acid in the name of Iupac. The use of acetic acid in chemistry goes back to ancient times. Acetic acid is used as vinegar, as a food additive and a variety of pickles. Acetic acid is used as a spray to eliminate plant fungi. The global production of acetic acid is 5.6 million tons per year.
Chemistry of vinegar or acetic acid

Glacial acetic acid (frozen), known as vinegar, is used in the chemical industry to produce photographic films, to produce polyethylene terephthalate (PET) plastic, which is used in the manufacture of beverage bottles, pharmaceutical industries, insecticides and ... Gets
Chemistry of vinegar or acetic acid

The acidic acidity of the acetic acid is attributed to the separation of the acidic hydrogen of the carboxyl group as shown below:

CH3CO2H → CH3CO2- + H +

In the eighth century, Iranian alchemist Jaber ibn Hayan distilled the acetic acid from vinegar. In 1847, German chemist Herman Coulubus was the first to make acetic acid through minerals.
Chemistry of vinegar or acetic acid

At the industrial scale, acetic acid can be obtained from acetaldehyde, ethanol, butane and butane oxidation. But the industry is mainly produced by the process developed by Monsanto in 1960. This process is very famous and used throughout the world. In this process, rhodium / iodine catalyst is used.
Chemistry of vinegar or acetic acid
Chemistry of vinegar or acetic acid

The molecules of acetic acid are solidly bonded by hydrogen bonding and dimmer.
Chemistry of vinegar or acetic acid

In spite of its extensive applications and its various properties, this acid has a number of dangers that should be considered when working with it. Safety notes for each substance with an abbreviation

 Material Safety Data Sheet (MSDS). So before doing any testing, you should get familiar with msds. In the case of acetic acid, the following are considered:

Extremely intense eye irritation, causing blindness in the eyes at high concentrations. The skin irritation of this substance depends on the concentration of this substance and its contact time with the skin. Its thick solution may burn. Mix it with air or at temperatures above 39 ° C. Explosive. This mucous membrane is a destructive substance and at high concentrations it can damage the lungs. The amount of acetic acid damage depends on its concentration.

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