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Hexanoic acid, 2-ethyl- is a branched-chain carboxylic acid widely used as a chemical intermediate in the manufacture of metal salts, esters, lubricants, coatings, and specialty industrial chemicals.
Hexanoic acid, 2-ethyl- is valued for its low volatility, hydrophobic character, and ability to form stable, oil-soluble metal carboxylates.
Hexanoic acid, 2-ethyl- plays an important role in catalyst preparation, resin modification, and corrosion inhibition systems.
CAS Number: 149-57-5
EC Number: 205-743-6
Molecular Formula: C₈H₁₆O₂
Molecular Weight: 144.21 g/mol
Synonyms: Hexanoic Acid, 2-Ethyl-, 2-Ethylhexanoic Acid, 2-EHA, Branched Octanoic Acid, Hexanoic acid, 2-ethyl-, 2-Ethylhexanoic Acid, Ethylhexanoic Acid, 2-Ethylhexanoate Acid, Isooctanoic Acid (common reference), Branched Hexanoic Acid Derivative, Branched C8 Carboxylic Acid, C8 Branched Fatty Acid, 2-Ethylhexanoic Acid Free Acid, Ethylhexanoic Acid Free Form, 2-Ethylhexanoic Acid Anhydrous, Ethylhexanoic Acid Liquid, Ethylhexanoic Acid Clear Liquid, Ethylhexanoic Acid High Purity, Pure Ethylhexanoic Acid, Extra-Pure Ethylhexanoic Acid, Technical Grade Ethylhexanoic Acid, Industrial Grade Ethylhexanoic Acid, Reagent Grade Ethylhexanoic Acid, Analytical Grade Ethylhexanoic Acid, Ethylhexanoic Acid Organic Acid, Ethylhexanoic Acid Aliphatic Carboxylic Acid, Ethylhexanoic Acid Branched Carboxylic Acid, Ethylhexanoic Acid Fatty Acid, Branched-Chain Fatty Acid C8, Ethylhexanoic Acid Metal Salt Precursor, Ethylhexanoic Acid Metal Soap Former, Ethylhexanoic Acid Esterification Feedstock, Ethylhexanoic Acid Chemical Intermediate, Ethylhexanoic Acid Synthesis Intermediate, Ethylhexanoic Acid Fine Chemical, Ethylhexanoic Acid Specialty Chemical, Ethylhexanoic Acid Industrial Chemical, Ethylhexanoic Acid Raw Material, Ethylhexanoic Acid Process Chemical, Ethylhexanoic Acid Coatings Intermediate, Ethylhexanoic Acid Paint Drier Acid, Ethylhexanoic Acid Metal Drier Component, Ethylhexanoic Acid Cobalt Salt Precursor, Ethylhexanoic Acid Zinc Salt Precursor
APPLICATIONS
Hexanoic acid, 2-ethyl- is used in the production of metal soaps.
Hexanoic acid, 2-ethyl- reacts with metals such as calcium, zinc, cobalt, and manganese.
Hexanoic acid, 2-ethyl--based metal salts are used as catalysts and driers in coatings.
Hexanoic acid, 2-ethyl- is applied in paints and surface coatings.
Hexanoic acid, 2-ethyl- improves oxidative curing and film formation.
Hexanoic acid, 2-ethyl- enhances coating durability and drying efficiency.
Hexanoic acid, 2-ethyl- is used in lubricant formulations.
Hexanoic acid, 2-ethyl- contributes to corrosion inhibition properties.
Hexanoic acid, 2-ethyl- improves solubility of additives in base oils.
Hexanoic acid, 2-ethyl- is employed in ester synthesis.
Hexanoic acid, 2-ethyl- reacts with alcohols to produce plasticizers and specialty esters.
Hexanoic acid, 2-ethyl- esters improve flexibility and compatibility in polymers.
Hexanoic acid, 2-ethyl- is used in industrial catalysis.
Hexanoic acid, 2-ethyl- functions as a ligand in organometallic catalysts.
Hexanoic acid, 2-ethyl- supports controlled reaction kinetics.
Hexanoic acid, 2-ethyl- is applied in chemical manufacturing.
Hexanoic acid, 2-ethyl- improves dispersion of active ingredients in organic systems.
Hexanoic acid, 2-ethyl- enhances formulation stability in nonpolar media.
Hexanoic acid, 2-ethyl- is used as a chemical intermediate in ester synthesis.
Hexanoic acid, 2-ethyl- supports production of metal salts for industrial use.
Hexanoic acid, 2-ethyl- is used in manufacture of metal soaps.
Hexanoic acid, 2-ethyl- improves solubility of metal ions in organic systems.
Hexanoic acid, 2-ethyl- is used in paint drier formulations.
Hexanoic acid, 2-ethyl- accelerates oxidative curing of coatings.
Hexanoic acid, 2-ethyl- is used in alkyd resin systems.
Hexanoic acid, 2-ethyl- improves drying speed of solvent-based paints.
Hexanoic acid, 2-ethyl- is used in lubricant additive formulations.
Hexanoic acid, 2-ethyl- enhances corrosion protection in lubricants.
Hexanoic acid, 2-ethyl- is used in metalworking fluids.
Hexanoic acid, 2-ethyl- improves lubrication and rust inhibition performance.
Hexanoic acid, 2-ethyl- is used in plasticizer production.
Hexanoic acid, 2-ethyl- supports flexibility in polymer formulations.
Hexanoic acid, 2-ethyl- is used in PVC stabilizer systems.
Hexanoic acid, 2-ethyl- improves thermal stability of plastic materials.
Hexanoic acid, 2-ethyl- is used in adhesive formulations.
Hexanoic acid, 2-ethyl- enhances wetting of substrates.
Hexanoic acid, 2-ethyl- is used in sealant formulations.
Hexanoic acid, 2-ethyl- improves flow and application properties.
Hexanoic acid, 2-ethyl- is used in catalyst preparation.
Hexanoic acid, 2-ethyl- acts as a ligand for metal catalysts.
Hexanoic acid, 2-ethyl- is used in oilfield chemical formulations.
Hexanoic acid, 2-ethyl- improves performance of drilling and completion fluids.
Hexanoic acid, 2-ethyl- is used in fuel additive systems.
Hexanoic acid, 2-ethyl- enhances combustion stability.
Hexanoic acid, 2-ethyl- is used in industrial cleaning products.
Hexanoic acid, 2-ethyl- supports removal of metal residues.
Hexanoic acid, 2-ethyl- is used in corrosion inhibitor formulations.
Hexanoic acid, 2-ethyl- improves protective film formation on metal surfaces.
Hexanoic acid, 2-ethyl- is used in specialty chemical synthesis.
Hexanoic acid, 2-ethyl- enables controlled reactivity in organic processes.
Hexanoic acid, 2-ethyl- is used in production of cobalt and manganese octoates.
Hexanoic acid, 2-ethyl- improves solubility of metal catalysts in coatings.
Hexanoic acid, 2-ethyl- is used in siccative formulations for paints.
Hexanoic acid, 2-ethyl- enhances surface drying efficiency of alkyd coatings.
Hexanoic acid, 2-ethyl- is used in wood coating systems.
Hexanoic acid, 2-ethyl- improves curing performance on porous substrates.
Hexanoic acid, 2-ethyl- is used in industrial varnishes.
Hexanoic acid, 2-ethyl- improves film hardness development.
Hexanoic acid, 2-ethyl- is used in marine coating formulations.
Hexanoic acid, 2-ethyl- enhances corrosion resistance in harsh environments.
Hexanoic acid, 2-ethyl- is used in automotive refinish paints.
Hexanoic acid, 2-ethyl- supports rapid curing under ambient conditions.
Hexanoic acid, 2-ethyl- is used in metal surface treatment chemicals.
Hexanoic acid, 2-ethyl- improves adhesion of protective layers.
Hexanoic acid, 2-ethyl- is used in rust preventive oils.
Hexanoic acid, 2-ethyl- enhances long-term metal protection.
Hexanoic acid, 2-ethyl- is used in hydraulic fluid additives.
Hexanoic acid, 2-ethyl- improves oxidation resistance of fluids.
Hexanoic acid, 2-ethyl- is used in compressor oil formulations.
Hexanoic acid, 2-ethyl- improves lubricity under high-temperature conditions.
Hexanoic acid, 2-ethyl- is used in grease manufacturing.
Hexanoic acid, 2-ethyl- enhances soap thickener performance.
Hexanoic acid, 2-ethyl- is used in metal extraction processes.
Hexanoic acid, 2-ethyl- supports selective metal separation.
Hexanoic acid, 2-ethyl- is used in flotation chemicals.
Hexanoic acid, 2-ethyl- improves recovery efficiency of metal ores.
Hexanoic acid, 2-ethyl- is used in specialty surfactant synthesis.
Hexanoic acid, 2-ethyl- acts as a hydrophobic chain provider.
Hexanoic acid, 2-ethyl- is used in agrochemical formulations.
Hexanoic acid, 2-ethyl- improves dispersion of active ingredients.
Hexanoic acid, 2-ethyl- is used in pesticide emulsions.
Hexanoic acid, 2-ethyl- enhances formulation stability.
Hexanoic acid, 2-ethyl- is used in fungicide concentrates.
Hexanoic acid, 2-ethyl- improves compatibility with oil carriers.
Hexanoic acid, 2-ethyl- is used in fuel stabilizer formulations.
Hexanoic acid, 2-ethyl- improves long-term fuel storage performance.
Hexanoic acid, 2-ethyl- is used in biodiesel additive systems.
Hexanoic acid, 2-ethyl- enhances cold flow properties.
Hexanoic acid, 2-ethyl- is used in polymer catalyst systems.
Hexanoic acid, 2-ethyl- improves catalyst solubility and activity.
Hexanoic acid, 2-ethyl- is used in resin modification processes.
Hexanoic acid, 2-ethyl- enhances flexibility of cured resins.
Hexanoic acid, 2-ethyl- is used in specialty ester production.
Hexanoic acid, 2-ethyl- supports controlled molecular weight formation.
Hexanoic acid, 2-ethyl- is used in chemical research laboratories.
Hexanoic acid, 2-ethyl- serves as a reference compound in carboxylic acid studies.
DESCRIPTION
Hexanoic acid, 2-ethyl- is a clear, colorless to pale yellow liquid.
Hexanoic acid, 2-ethyl- has a characteristic mild fatty acid odor.
Hexanoic acid, 2-ethyl- is a branched aliphatic monocarboxylic acid.
Hexanoic acid, 2-ethyl- is poorly soluble in water.
Hexanoic acid, 2-ethyl- is readily soluble in most organic solvents.
Hexanoic acid, 2-ethyl- exhibits reduced crystallization compared to linear fatty acids.
Hexanoic acid, 2-ethyl- readily forms salts and esters.
Hexanoic acid, 2-ethyl--derived compounds show enhanced thermal and oxidative stability.
Hexanoic acid, 2-ethyl- is preferred where low volatility and high performance are required.
Hexanoic acid, 2-ethyl- is chemically stable under normal storage conditions.
Hexanoic acid, 2-ethyl- should be protected from strong oxidizing agents.
Hexanoic acid, 2-ethyl- can be handled safely using standard industrial precautions.
Hexanoic acid, 2-ethyl- is an organic carboxylic acid with the formula C₈H₁₆O₂.
Hexanoic acid, 2-ethyl- is also known as 2-ethylhexanoic acid.
Hexanoic acid, 2-ethyl- appears as a colorless to pale yellow liquid.
Hexanoic acid, 2-ethyl- has a mild characteristic odor.
Hexanoic acid, 2-ethyl- is insoluble in water and soluble in organic solvents.
Hexanoic acid, 2-ethyl- exhibits good thermal stability under normal conditions.
Hexanoic acid, 2-ethyl- shows low volatility compared to short-chain fatty acids.
Hexanoic acid, 2-ethyl- forms stable metal salts with various cations.
Hexanoic acid, 2-ethyl- is widely used as an industrial intermediate.
Hexanoic acid, 2-ethyl- demonstrates good compatibility with oils and resins.
Hexanoic acid, 2-ethyl- is commonly used in coatings and polymer industries.
Hexanoic acid, 2-ethyl- supports efficient formulation performance.
Hexanoic acid, 2-ethyl- should be stored in tightly closed containers.
Hexanoic acid, 2-ethyl- should be kept away from strong oxidizing agents.
Hexanoic acid, 2-ethyl- is valued for its versatility and chemical stability.
PROPERTIES
Chemical Formula: C₈H₁₆O₂
Molecular Weight: 144.21 g/mol
Appearance: Clear, colorless to pale yellow liquid
Odor: Mild fatty acid odor
Density: ~0.905–0.910 g/cm³ at 20°C
Melting Point: ~−10°C
Boiling Point: ~228–230°C
Vapor Pressure: ~0.02 hPa at 20°C
Solubility in Water: ~0.6–1.0 g/L at 20°C
Solubility in Organic Solvents: Miscible with alcohols, esters, and hydrocarbons
pKa: ~4.8
Viscosity: Low to moderate
Flash Point: ~110–115°C (closed cup)
Refractive Index: ~1.424 at 20°C
Thermal Stability: High under standard processing conditions
Chemical Reactivity: Reacts with bases to form salts; esterifies with alcohols
Storage Temperature: Ambient conditions
FIRST AID
Inhalation:
Move to fresh air if vapors are inhaled.
Seek medical attention if irritation persists.
Skin Contact:
Wash with soap and water.
Remove contaminated clothing.
Eye Contact:
Rinse with water for at least 15 minutes.
Seek medical attention if irritation continues.
Ingestion:
Rinse mouth and drink water.
Seek medical advice if large quantities are ingested.
Note to Physicians:
Treat symptomatically.
HANDLING AND STORAGE
Handling:
Use protective gloves and eye protection.
Avoid prolonged skin contact.
Ensure adequate ventilation during handling.
Avoidance:
Avoid strong oxidizing agents.
Avoid excessive heat and ignition sources.
Spill Procedures:
Absorb with inert material and clean area thoroughly.
Dispose of according to local regulations.
Storage:
Store in tightly closed containers.
Keep in a cool, dry, well-ventilated area.
Protect from heat and direct sunlight.
