Valeric acid

Valeric Acid

Valeric acid, also known as Pentanoic acid, is a straight-chain alkyl carboxylic acid with the chemical formula CH3(CH2)3COOH. It is named after the plant genus Valeriana, from which it was first isolated. Valeric acid is found naturally in several plants and herbs, and it is a colorless, oily liquid with an unpleasant odor.

Chemical Properties

Valeric acid is a carboxylic acid, which means it has a -COOH group. It is a weak acid, with a pKa of 4.82. It is miscible with water and organic solvents. It is a volatile substance, which means it can easily evaporate at room temperature.

Production

Valeric acid is produced industrially by the oxidation of valeraldehyde. It can also be obtained by the hydrolysis of pentanoic esters, which are derived from renewable resources.

Uses

Valeric acid is used in the synthesis of various chemicals, including plasticizers, flavors, and perfumes. It is also used as a food additive, where it acts as a flavoring agent.

Health Effects

Exposure to valeric acid can cause irritation to the skin, eyes, and respiratory tract. Ingestion can lead to gastrointestinal discomfort. Long-term exposure can lead to more serious health effects.

See Also

• Carboxylic acid
• Valeraldehyde
• Pentanoic esters

References

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