2-Ethylhexanoic Acid

2-Ethylhexanoic Acid is an organic carboxylic acid with CAS Number is 149-57-5. It is also commonly referred to as 2-ethylcaproic acid, α-ethylcaproic acid, ethylhexoic acid, or octoic acid.

It is slightly soluble in water but highly soluble in organic solvents like ether. As a branched-chain acid, it readily forms lipophilic metal derivatives (soaps) that dissolve well in nonpolar solvents, making it highly effective for industrial processes.

2-Ethylhexanoic Acid is widely used in the production of metal salts, plasticizers, coatings, lubricants, and chemical intermediates.

Technical Specifications

Packaging & Storage

• Net weight 185kg/190kg drum.

• Store in a cool, well-ventilated warehouse. Keep away from sources of ignition and heat. Protect from direct sunlight. Maintain container seal. Store separately from oxidizers and avoid mixing.

Benefits of 2-Ethylhexanoic Acid

Excellent Metal Salt Formation:

Produces highly soluble driers and stabilizers for coatings and polymers.

High Thermal and Chemical Stability:

Enhances performance in high-temperature applications like synthetic lubricants and plasticizers.

Versatile Reactivity:

Ideal for esterification, polymerization catalysis, and corrosion inhibition.

Low Volatility:

Provides long-lasting effects in formulations with a high boiling point.

Applications and Uses of 2-Ethylhexanoic Acid

2-Ethylhexanoic Acid is utilized across multiple high-demand industries:

Coatings, Paints, and Inks

• Production of metal soaps (e.g., cobalt, manganese, zinc 2-ethylhexanoate) as driers for paints, varnishes, enamels, and inks to accelerate drying.

• Improves yellowing resistance in alkyd resins and stoving enamels.

Plastics and Polymers

• Key intermediate for plasticizers (such as triethylene glycol di-2-ethylhexanoate).

• Stabilizers and lubricants in PVC and other polymer processing.

• Catalyst in polymerization reactions (e.g., tin 2-ethylhexanoate).

Lubricants and Greases

• Component in synthetic lubricants, thickeners for mineral oils, and greases.

• Used in automotive coolants and high-performance lubricant additives.

Other Industrial Applications

• Wood preservatives, corrosion inhibitors, emulsifiers, and surfactants.

• Chemical intermediate for pharmaceuticals, peroxides, acid chlorides, and detergents.

• Flotation aids and enhanced oil recovery processes.

Frequently Asked Questions (FAQs)

Q: What is the CAS number for 2-Ethylhexanoic Acid?

A: The CAS Number is 149-57-5.

Q: Is 2-Ethylhexanoic Acid safe for use in consumer products?

A: It is widely used in industrial applications such as paints, plastics, and lubricants. However, it is not intended for direct food contact or unregulated consumer use.

Q: What industries primarily use 2-Ethylhexanoic Acid?

A: Major uses include coatings (paint driers), plastics (plasticizers and stabilizers), lubricants, and as a chemical intermediate for metal salts and catalysts.

Q: How should 2-Ethylhexanoic Acid be stored?

A: Store in a cool, dry, well-ventilated area in tightly sealed, corrosion-resistant containers. Protect from strong oxidizing agents and direct sunlight.

Q: Can 2-Ethylhexanoic Acid be used to make metal driers?

A: Yes. It is one of the most common acids for producing metal carboxylates used as driers in paints and coatings.

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