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[Chemical Knowledge]：Properties and uses of n-octanoic acid

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Octanoic acid is an important raw material for chemical production, which has a wide range of properties and uses. This article will introduce in detail the nature, production methods, quality standards, safety and main uses of n-octanoic acid.

1. the nature of octanoic acid

octanoic acid is a colorless or slightly yellow transparent liquid with a pungent odor. It belongs to saturated fatty acid, molecular formula is C8H16O2, molecular weight is 144.21. N-octanoic acid is insoluble in water, but miscible with ethanol, ether, acetone and other organic solvents. Its acidity is stronger than acetic acid, but weaker than butyric acid, with a certain degree of corrosion. In addition, octanoic acid is also flammable, in case of open flame, high heat or oxidant contact, there is a risk of combustion and explosion. Production method of

2. n-octanoic acid
There are two main production methods of
n-octanoic acid: one is obtained by paraffin wax oxidation method, and the other is obtained by biological fermentation method. The paraffin wax oxidation method is to heat the paraffin wax to a certain temperature and introduce air into the oxidation reaction to generate positive octanoic acid and other products. The law of biological fermentation is the use of microorganisms to convert sugars into positive octanoic acid.

the quality standard of 3. octanoic acid

octanoic acid quality standards mainly include purity, acidity, color, moisture and other indicators. Among them, the purity is an important index to measure the quality of octanoic acid, and the purity is generally above 99%. Acidity reflects the content of acidic substances in octanoic acid, and color and moisture are also important parameters to measure its quality. The safety
of

4. n-octanoic acid
n-octanoic acid has certain toxicity and corrosiveness, and has irritating effect on eyes, skin, mucous membrane and upper respiratory tract. Inhalation of octanoic acid vapor can cause respiratory tract irritation, and accidental administration can cause digestive tract burns. Therefore, it is necessary to strictly abide by the safety operation procedures, wear protective equipment, and avoid contact with eyes and skin when operating n-octanoic acid.

5. is the main use of octanoic acid

is octanoic acid in the field of chemical production raw materials have a wide range of applications, the main uses include the following aspects:

1. plastic plasticizer: is octanoic acid can be used as a plastic plasticizer, improve the flexibility and processing properties of plastics.
2. Surfactant: Octanoic acid can be used as a surfactant for the preparation of detergents, emulsifiers, etc.
3. Solvent: n-octanoic acid can be used as a solvent to dissolve some organic compounds.
4. spices: octanoic acid can be used as spices for the preparation of food, cosmetics and other flavors.

In short, as an important raw material for the production of chemicals, n-octanoic acid has been widely used in the fields of plastics, surfactants, solvents and spices. Understanding and mastering the nature, production methods, quality standards, safety and main uses of positive octanoic acid is of great significance for the rational use of positive octanoic acid resources and the improvement of production efficiency and quality.

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