ADIPIC ACID (124-04-9)

Product Overview

Adipic acid is a crystalline powder with minimal odor, commonly used in foods for its low acidity and excellent buffering capacity. It imparts a smooth, tart taste and finds applications in various food products, especially those with delicate flavors.

Adipic acid has the formula (CH2)4(COOH)2 and is a white crystalline powder. It is a significant industrial chemical, with annual production exceeding 2.5 billion kilograms. It is a dicarboxylic acid and a precursor for nylon production. White crystalline solid, insoluble in water. Widely used in the chemical industry and ranks in the top 10 for volume usage annually.

Characteristic Data

Molar Mass146.14 g/mol
Melting Point152.1 °C
SolubilitySoluble in Acetone
Boiling Point-7.5 °C
IUPAC IDHexanedioic Acid
Density1.36 g/cm³
Vapor density5 (vs air)
Vapor pressure1 mm Hg ( 159.5 °C)
Flash point385 °F
Storage tempStore below +30°C
Solubilitymethanol: 0.1 g/mL, clear, colorless
Odorwh. monoclinic prisms, pract. odorless
Water Solubility1.44 g/100 mL (15 ºC)
StabilityStable. Substances to be avoided include ammonia, strong oxidizing agents.


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Adipic acid, also known as hexanedioic acid, is an organic compound with the chemical formula (CH₂)₄(COOH)₂. It is a dicarboxylic acid with a six-carbon chain.

Adipic acid is the most important dicarboxylic acid from an industrial standpoint, with approximately 2.5 billion kilograms produced annually. Its production is primarily driven by its role as a precursor for the synthesis of nylon.

Adipic acid is a key raw material in the production of nylon. It undergoes reactions with other chemicals to form polyamide polymers, providing nylon with its desired mechanical properties, such as strength and durability.

Adipic acid exists as a white crystalline powder. In industrial processes, it is commonly handled and transported in this powdered form, making it convenient for various manufacturing applications.

While nylon synthesis is the predominant use, adipic acid is also employed in the production of various other materials, including polyurethanes, plasticizers, and certain types of lubricants.

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