2-Ethylhexanoic acid (2-EHA)

EC / List no.: 205-743-6

CAS no.: 149-57-5

Mol. formula: C8H16O2

2-ethylhexanoic acid, also called 2-EHA, is used in the following products: coating products, laboratory chemicals, lubricants and greases, and metalworking fluids.

Synonyms:2-EHA, Ethyl hexanoic acid, Ethylhexoic acid, 2-Butylbutanoic acid, 2-Ethylcaproic acid, 2-ethylhexanoic acid, 2-Ethylhexansaeure, 3-Heptanecarboxylic acid, alpha-Ethylcaproic acid, Butylethylacetic acid, 2-ETHYLHEXANOIC ACID

Applications of 2-ethylhexanoic acid: PVB Plasticizer, Synthetic Lubricants, Paint Driers, PVC Stabilizers, Emollients

End-use applications of 2-ethylhexanoic acid: adhesives and sealant industries, lubricants, corrosion inhibitors, construction, automotive,

2-Ethylhexanoic acid (2-EHA) is a versatile monocarboxylic acid chemical intermediate.

2-Ethylhexanoic acid (2-EHA) is the organic compound with the formula CH3(CH2)3CH(C2H5)CO2H. 

2-Ethylhexanoic acid (2-EHA) is a carboxylic acid widely used to prepare lipophilic metal derivatives soluble in nonpolar organic solvents. 

2-Ethylhexanoic acid (2-EHA) is a colorless viscous oil. 2-Ethylhexanoic acid is supplied as a racemic mixture.

Chemical formula: C8H16O2

Molar mass: 144.214 g·mol−1

Appearance: Colorless liquid

Density: 903 mg mL−1

Melting point: −59.00 °C; −74.20 °F; 214.15 K

Boiling point: 228.1 °C; 442.5 °F; 501.2 K

log P: 2.579

Vapor pressure: <1 Pa (at 25 °C)

Acidity (pKa): 4.819

Basicity (pKb): 9.178

Refractive index (nD): 1.425

2-Ethylhexanoic acid (2-EHA) is used in anti-freeze products, indoor use as a processing aid, indoor use in close systems with the minimal release (e.g., cooling liquids in refrigerators, oil-based electric heaters), and outdoor use in close systems with minimal release (e.g., hydraulic liquids in automotive suspension, lubricants in motor oil and brake fluids).

2-Ethylhexanoic acid (2-EHA) is widely used in esters for PVB film plasticizers and synthetic lubricants, metal soaps for paint driers, and automotive coolants and PVC stabilizers. 

Other application areas of 2-Ethylhexanoic include wood preservatives, catalysts for polyurethane, and pharmaceuticals.

Automotive

2-Ethylhexanoic acid (2-EHA) is used in the production of corrosion inhibitors for automotive coolants.

Coatings

2-Ethylhexanoic acid (2-EHA) as a monomer synthesizes alkyd resins, providing improved yellowing resistance than standard fatty acids. 

2-Ethylhexanoic acid (2-EHA) is particularly suitable for stoving enamels and two-component coatings.  

2-Ethylhexanoic acid (2-EHA) is also used as a raw material for metal-based paint driers.

Lubricants 

2-Ethylhexanoic acid (2-EHA) is a major raw material for polyol esters used in synthetic lubricants. 

Personal Care

2-Ethylhexanoic acid (2-EHA) is used to produce emollients in the cosmetic industry.

2-ethyl hexanoic acid is used to make emollients and skin conditioners for cosmetic purposes.

2-ethyl hexanoic acid is frequently used in hair care products, body lotions, hand creams, foundation, concealer, and face creams.

Other 

Polyvinyl butyral plasticizer, which is a major constituent for the production of safety glass and sheet material for construction purposes, is produced from 2-Ethyl Hexanoic Acid

Polyvinyl butyral (PVB) plasticizers and polyvinylchloride (PVC) stabilizers are produced in the form of metal salts. 

Other applications of 2-Ethylhexanoic acid (2-EHA) include polymer production catalysts, raw acid chloride material, and fragrances.

2-Butylbutanoic acid

2-Ethylcaproic acid

2-ethylhexanoic acid

2-Ethylhexanoic acid

2-ethylhexanoic acid

2-Ethylhexansaeure

2-Ethylhexoic acid

3-Heptanecarboxylic acid

alpha-Ethylcaproic acid

Butylethylacetic acid

Ethyl hexanoic acid

Ethylhexoic acid

Hexanoic acid, 2-ethyl-

Kyselina 2-ethylkapronova

Kyselina heptan-3-karboxylova

IUPAC names

2-Ethyl hexanoic Acid

2-ethyl-hexanoic acid

2-ETHYLHEXANOIC ACID

2-Ethylhexanoic Acid

2-Ethylhexanoic acid

2-ethylhexanoic acid

2-Ethylhexanoic acid

2-ethylhexanoic acid

2-Ethylhexansäure

Ethylhexanoic acid

Hexanoic acid, 2-ethyl-

Trade names

2-Butylbutanoic acid

2-Ethyl-1-hexanoic acid

2-Ethylcaproic acid

2-Ethylhexanoic acid

2-Ethylhexansaeure

2-Ethylhexansäure

2-Ethylhexoic acid

3-Heptanecarboxylic acid

Alpha-Ethylhexansaeure

Butylethylacetic acid

CERIUM HEX-CEM

Ethylhexanoic acid

Hexanoic acid, 2-ethyl- (8CI, 9CI)

α-Ethylcaproic acid

α-Ethylhexanoic acid

2-Ethylhexanoic acid is produced industrially from propylene hydroformylated to give butyraldehyde. 

Aldol condensation of the aldehyde gives 2-ethylhexenal, which is hydrogenated to 2-ethylhexanal. Oxidation of this aldehyde gives the carboxylic acid