2-Ethylhexanoic Acid

Other Trading Names:

  • 2EH

CAS Number: 149-57-5

HS Code: 29159090

Types of Packaging:

  • 200 kg per drum
Inquiry right-arrow $100.00
Availability: In stock
2-Ethylhexanoic Acid

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Colorless oily liquid


≥99 %

Acid value

≥385 mgKOH/g






0.905-0.915 g/cm³

Chemical Description:

  • 2-Ethylhexanoic acid, also known as 2-ethylhexanoate or 2-EHA, is a significant organic compound widely utilized in various industrial applications due to its versatile properties and chemical reactivity.
  • With the chemical formula CH3(CH2)3CH(C2H5)COOH, 2-ethylhexanoic acid belongs to the class of carboxylic acids and features a branched eight-carbon alkyl chain, giving it distinctive characteristics.
  • In its pure form, 2-ethylhexanoic acid appears as a colorless to pale yellow liquid with a faint odor, making it easily identifiable in industrial settings.
  • Despite its liquid state, 2-ethylhexanoic acid is insoluble in water but exhibits solubility in a range of organic solvents such as ethanol, acetone, and ether, which enhances its applicability in various processes.
  • One of the primary uses of 2-ethylhexanoic acid is as a precursor in the synthesis of diverse chemicals, including esters, salts, and metal derivatives, owing to its versatile chemical reactivity.
  • Particularly noteworthy is its role as a metal extractant in hydrometallurgical processes for the purification and extraction of metals like copper, cobalt, and nickel from ores.
  • Furthermore, 2-ethylhexanoic acid serves as a crucial intermediate in the production of plasticizers, notably dioctyl phthalate (DOP) and dioctyl adipate (DOA), essential additives in the manufacturing of polyvinyl chloride (PVC) plastics.
  • Its functionality extends to catalysis, where it acts as a catalyst in esterification reactions, facilitating the synthesis of various esters used in fragrance, flavor, and pharmaceutical industries.
  • Additionally, 2-ethylhexanoic acid finds application as a corrosion inhibitor in metalworking fluids, safeguarding metal surfaces from degradation and extending their lifespan.
  • In the pharmaceutical sector, this compound plays a pivotal role in the synthesis of drugs and pharmaceutical intermediates, contributing to the development of therapeutic agents and medicines.
  • Beyond industrial and pharmaceutical applications, 2-ethylhexanoic acid serves as a solvent in coatings, paints, inks, and adhesives, owing to its ability to dissolve a wide range of organic substances effectively.
  • Overall, the multifaceted properties and diverse applications of 2-ethylhexanoic acid underscore its significance in numerous industrial processes, making it a valuable compound in the chemical industry.
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2-Ethylhexanoic Acid