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2-Ethylhexanoic Acid (2-EHA) is a branched-chain fatty acid.
2-Ethylhexanoic Acid (2-EHA) is a colorless to light yellow liquid with a mild odor.
2-Ethylhexanoic Acid (2-EHA) will burn though 2-Ethylhexanoic acid may take some effort to ignite.
CAS: 149-57-5
MF: C8H16O2
MW: 144.21
EINECS: 205-743-6
Synonyms
(RS)-2-Ethylhexansαure;2-Ethyl-1-hexanoic acid;2-Ethyl-1-hexanoicacid;2-BUTYLBUTANOIC ACID;(+/-)-2-ETHYLHEXANOIC ACID;2-ETHYLHEXANOIC ACID;2-ETHYLHEXOIC ACID;2-ETHYLCAPROIC ACID
2-Ethylhexanoic Acid (2-EHA) is slightly soluble in water.
2-Ethylhexanoic Acid (2-EHA) is corrosive to metals and tissue.
2-Ethylhexanoic Acid (2-EHA) is used to make paint dryers and plasticizers.
2-Ethylhexanoic Acid (2-EHA) is produced industrially from propylene, which is hydroformylated to give butyraldehyde.
Aldol condensation of the aldehyde gives 2-Ethylhexanoic Acid (2-EHA), which is hydrogenated to give 2-ethylhexanal.
Oxidation of this aldehyde gives the carboxylic acid.
2-Ethylhexanoic Acid (2-EHA) forms compounds with metal cations that have stoichiometry as metal acetates.
These ethylhexanoate complexes are used in organic and industrial chemical synthesis.
They function as catalysts in polymerizations as well as for oxidation reactions as "oil drying agents."
They are highly soluble in nonpolar solvents.
These metal complexes are often described as salts.
They are, however, not ionic but charge-neutral coordination complexes.
Their structures are akin to the corresponding acetates.
2-Ethylhexanoic Acid (2-EHA) is one of the flagship products within Perstorp Group which has the largest production capacity in the world.
2-Ethylhexanoic Acid (2-EHA) is a colorless liquid with one carboxylic group based on a C8 carbon chain.
2-Ethylhexanoic Acid (2-EHA) is widely used in esters for PVB film plasticizers and synthetic lubricants, in production of metal soaps for paint driers, in automotive coolants and PVC stabilizers.
Other application areas include wood preservatives, catalyst for polyurethane and in pharmaceuticals.
2-Ethylhexanoic Acid (2-EHA) is a building block for alkyd resins and for production of organic metal salts.
Alkyd resins modified with 2-Ethylhexanoic Acid (2-EHA) are used in stoving enamels and two-component paints (primers and topcoats).
Metal salts of 2-ethylhexanoic acid are used for siccatives in oxidative drying paints and printing inks.
2-Ethylhexanoic Acid (2-EHA), also called 2-EHA, is a commonly used organic compound, mainly to make lipophilic metal by-products that can dissolve in nonionic organic solvents.
2-Ethylhexanoic Acid (2-EHA) is a carboxylic acid with the formula C8H16O2 with a generally high boiling point and mild odor.
2-Ethylhexanoic Acid (2-EHA) is a viscous and colorless oil with one carboxylic class found on a C8 carbon chain and is immiscible in water.
2-Ethylhexanoic Acid (2-EHA) can be used as a substitute for naphthenic acid in some applications.
Industrially, 2-Ethylhexanoic Acid (2-EHA) is manufactured using propylene, often generated from fossil fuels and other sources which are renewable.
In other words, 2-Ethylhexanoic Acid (2-EHA) can be more effectively manufactured than naphthenic acid.
2-Ethylhexanoic Acid (2-EHA) produces metallic compounds that undergo stoichiometry in the form of metal acetates.
In most cases, 2-Ethylhexanoic Acid (2-EHA) derivatives are used in industrial and organic chemical applications.
The ethyl hexanoate complexes also serve as catalysts in oxidation reactions and polymerizations (as oil drying agents).
As a versatile chemical intermediate, 22-Ethylhexanoic Acid (2-EHA) has multiple applications, including the following.
2-Ethylhexanoic Acid (2-EHA) Chemical Properties
Melting point: -59 °C
Boiling point: 228 °C(lit.)
Density: 0.906
Vapor density: 4.98 (vs air)
Vapor pressure: <0.01 mm Hg ( 20 °C)
Refractive index: n20/D 1.425(lit.)
Fp: 230 °F
Storage temp.: Store below +30°C.
Solubility: 1.4g/l
Form: Liquid
pka: pK1:4.895 (25°C)
Color: Clear
PH: 3 (1.4g/l, H2O, 20℃)
Odor: Mild odour
PH Range: 3 at 1.4 g/l at 20 °C
Explosive limit: 1.04%, 135°F
Water Solubility: 2 g/L (20 ºC)
BRN: 1750468
Exposure limits ACGIH: TWA 5 mg/m3
Stability: Stable. Combustible. Incompatible with strong oxidizing agents, reducing agents, bases.
InChIKey: OBETXYAYXDNJHR-UHFFFAOYSA-N
LogP: 2.7 at 25℃
CAS DataBase Reference: 149-57-5(CAS DataBase Reference)
NIST Chemistry Reference: 2-Ethylhexanoic Acid (2-EHA)(149-57-5)
EPA Substance Registry System: 2-Ethylhexanoic Acid (2-EHA) (149-57-5)
Uses
2-Ethylhexanoic Acid (2-EHA) is used in the preparation of metal derivatives, which act as a catalyst in polymerization reactions.
For example, tin 2-Ethylhexanoic Acid (2-EHA) is used in the manufacturing of poly(lactic-co-glycolic acid).
2-Ethylhexanoic Acid (2-EHA) is also used as a stabilizer for polyvinyl chlorides.
2-Ethylhexanoic Acid (2-EHA) is also involved in solvent extraction and dye granulation.
Further, 2-Ethylhexanoic Acid (2-EHA) is used to prepare plasticizers, lubricants, detergents, flotation aids, corrosion inhibitors and alkyd resins.
In addition to this, 2-Ethylhexanoic Acid (2-EHA) serves as a catalyst for polyurethane foaming.
Paint and varnish driers (metallic salts).
Ethylhexoates of light metals are used to convert some mineral oils to greases.
2-Ethylhexanoic Acid (2-EHA)'s esters are used as plasticizers.
Automotive
2-Ethylhexanoic Acid (2-EHA) is used to produce corrosion inhibitors for lubricants and automotive coolants.
2-Ethylhexanoic Acid (2-EHA) also serves as wood preservatives and makes lubricant additives as well as synthetic lubricants.
2-Ethylhexanoic Acid (2-EHA) is also used in the production of PVC heat stabilizers, PVB film plasticizers, metal soaps for paint driers, and other chemicals.
Lubricants
2-Ethylhexanoic Acid (2-EHA) is commonly used in esters in Polyvinyl butyral (PVB) film plasticizers and as a raw material for polyesters applied in synthetic oils.
2-Ethylhexanoic Acid (2-EHA)’s metal salts are used to prepare synthetic lubricant additives used in various industrial lubricant applications.
Coatings
2-Ethylhexanoic Acid (2-EHA) is widely used in coating applications to enhance performance and resistance.
2-Ethylhexanoic Acid (2-EHA) produces alkyd resins that help improve yellowing resistance better than ordinary fatty acids.
2-Ethylhexanoic Acid (2-EHA) is ideal for stoving enamels and 2-component coatings.
2-Ethylhexanoic Acid (2-EHA) can also be used in other applications, including the catalyst for polyurethane, wood preservatives, and pharmaceuticals.
Cosmetics
The chemicals in 2-Ethylhexanoic Acid (2-EHA) are reported to have cosmetic use to produce emollients and skin conditioners.
2-Ethylhexanoic Acid (2-EHA) is widely used in hair care products, hand creams, face creams, body lotions, and make-up products like foundation, concealer, and hair care products.
Plastics
2-Ethylhexanoic Acid (2-EHA) is also used in manufacturing polyvinyl chloride (PVC) stabilizers and Polyvinyl butyral (PVB) plasticizers in the form of metal salts.
2-Ethylhexanoic Acid (2-EHA) reacts with metallic components like manganese and cobalt to produce metallic salt derivatives.
Preparation
In a dry 1L three-neck bottle, Add isooctyl aldehyde (80g, 0.62mol) And the solvent 2-ethylhexanoic acid (240g, 1.66mol), ligand L8 (5.24mg, 0.007mmol), cesium carbonate (18.24mg, 0.056mmol), potassium acetate 160mg, placed in a water bath, mechanical under nitrogen atmosphere Stir, after the temperature rises to 30 ° C, Air flow was started at a flow rate of 11.9 g/h, and the reaction temperature was maintained at 30-35 ° C by adding cooling water to the water bath.
After 6 hours of reaction, the conversion of isooctyl aldehyde was calculated to be 99.6%.
The selectivity of 2-Ethylhexanoic Acid (2-EHA) was 99.5%, and the yield was 99.10%.
