2-Ethylhexanoic acid is the organic compound with the formula CH3(CH2)3CH(C2H5)CO2H.
It is a carboxylic acid that is widely used to prepare lipophilic metal derivatives that are soluble in nonpolar organic solvents. 
2-Ethylhexanoic acid is a colorless viscous oil. It is supplied as a racemic mixture.

2-Ethylhexanoic Acid is a chemical intermediate used as a compound for example in the production of synthetic lubricants as well oil additives.
2-Ethylhexanoic Acid is a chemical intermediate used in esters for Polyvinylbutyral film plasticizers and synthetic lubricants, in metal salts for paint dryers, in automotive coolants.

CAS Number:149-57-5 ;2-Ethylhexoic Acid; 2-Ethylhexanoic Acid; 2-Ethylcaproic Acid; 3-Heptanecarboxylic Acid;2-EHA

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

2-EHA is used in the production of corrosion inhibitors for automotive coolants.

This monomer is used in the synthesis of alkyd resins provides improved yellowing resistanct than the standard fatty acids. It is particularly suitable for stoving enamels and two-component coatings.  It is also used as a raw material for metal based paint driers.

Lubricants: 2-EHA is a major raw material for polyolesters used in synthetic lubricants. 
Personal Care: In cosmetics, 2-EHA is used to produce emollients
Other: The production of polyvinylbutyral (PVB) plasticizers and polyvinylchloride (PVC) stabilizers in the form of metal salts. 
Other applications include, catalyst for polymer production, raw material for acid chloride and fragrances.

2-Ethylcaproic acid
3-Heptanecarboxylic acid    
CAS #: 149-57-5    
EC Number: 205-743-6
Other names: α-Ethylcaproic acid; α-Ethylhexanoic acid; Butylethylacetic acid; Ethylhexanoic acid; Ethylhexoic acid; 2-Butylbutanoic acid; 2-Ethylcaproic acid; 2-Ethylhexanoic acid; 2-Ethylhexoic acid; 3-Heptanecarboxylic acid; Kyselina 2-ethylkapronova; Kyselina heptan-3-karboxylova; 2-Ethyl-1-hexanoic acid; 2-Ethylcapronic acid; NSC 8881

Immiscible with water
Miscible with common organic solvents

PVC stabilizers
Coating driers
Synthetic lubricants
Other chemical intermediate uses

Siccative to accelerate the drying process in paint

PVC Stabilizers to prevent heat decomposition

PVB film laminated safety glass for automotive & construction applications

Basestock to carry HFC (type refrigerant in compressors for refrigerators and air – conditioning

Emollients in cosmetics and skincare products for moisturizing effect

Pharmaceuticals (Antibiotics APIs)

Others including acid chlorides, alkyd resins, catalysts,automotive coolants and etc

2-Ethylhexanoic acid is produced industrially from propylene, which is 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

2-Ethylhexanoic acid Chemical Properties,Uses,Production
Chemical Properties: colourless liquid
Uses: Paint and varnish driers (metallic salts). Ethylhexoates of light metals are used to convert some mineral oils to greases. Its esters are used as plasticizers.

General Description
2-Ethylhexanoic acid is a colorless to light yellow liquid with a mild odor. 2-Ethylhexanoic acid will burn though 2-Ethylhexanoic acid may take some effort to ignite. 
2-Ethylhexanoic acid is slightly soluble in water. 2-Ethylhexanoic acid is corrosive to metals and tissue. 2-Ethylhexanoic acid is used to make paint dryers and plasticizers.

Reactivity Profile
2-Ethylhexanoic acid is a carboxylic acid. Carboxylic acids donate hydrogen ions if a base is present to accept them. 
They react in this way with all bases, both organic (for example, the amines) and inorganic. Their reactions with bases, called "neutralizations", are accompanied by the evolution of substantial amounts of heat.
Neutralization between an acid and a base produces water plus a salt. Carboxylic acids with six or fewer carbon atoms are freely or moderately soluble in water; those with more than six carbons are slightly soluble in water.
Soluble carboxylic acid dissociate to an extent in water to yield hydrogen ions. The pH of solutions of carboxylic acids is therefore less than 7.0. 
Many insoluble carboxylic acids react rapidly with aqueous solutions containing a chemical base and dissolve as the neutralization generates a soluble salt.
Carboxylic acids in aqueous solution and liquid or molten carboxylic acids can react with active metals to form gaseous hydrogen and a metal salt. 
Such reactions occur in principle for solid carboxylic acids as well, but are slow if the solid acid remains dry. 
Even "insoluble" carboxylic acids may absorb enough water from the air and dissolve sufficiently in 2-Ethylhexanoic acid to corrode or dissolve iron, steel, and aluminum parts and containers. 
Carboxylic acids, like other acids, react with cyanide salts to generate gaseous hydrogen cyanide. The reaction is slower for dry, solid carboxylic acids. 
Insoluble carboxylic acids react with solutions of cyanides to cause the release of gaseous hydrogen cyanide.
Flammable and/or toxic gases and heat are generated by the reaction of carboxylic acids with diazo compounds, dithiocarbamates, isocyanates, mercaptans, nitrides, and sulfides. Carboxylic acids, especially in aqueous solution, also react with sulfites, nitrites, thiosulfates (to give H2S and SO3), dithionites (SO2), to generate flammable and/or toxic gases and heat. Their reaction with carbonates and bicarbonates generates a harmless gas (carbon dioxide) but still heat. Like other organic compounds, carboxylic acids can be oxidized by strong oxidizing agents and reduced by strong reducing agents. These reactions generate heat. A wide variety of products is possible. Like other acids, carboxylic acids may initiate polymerization reactions; like other acids, they often catalyze (increase the rate of) chemical reactions.

Health Hazard: Harmful if swallowed, inhaled or absorbed through skin. Material is extremely destructive to tissues of mucous membranes and upper respiratory tract, eyes and skin. Inhalation may be fatal as a result of spasm, inflammation and edema of the larynx, bronchii, chemical pneumonitis and pulmonary edema. Symptoms of exposure may include burning sensation, coughing, wheezing, laryngitis, shortness of breath, headache, nausea and vomiting.

Fire Hazard: 2-Ethylhexanoic acid is combustible.

2-Ethylhexanoic acid forms compounds with metal cations that have stoichiometry as metal acetates.

IUPAC name: 2-Ethylhexanoic acid

CAS Number: 149-57-5 

2-Ethylhexanoic Acid is a colorless, high boiling liquid having a mild odor. 
The metallic salts of 2-ethylhexanoic acid are used as driers for odorless paints, inks, varnishes, and enamels. Cobalt and manganese are the most important driers.

EC Number: 205-743-6

Chemical formula: C8H16O2
Molar mass: 144.214 g·mol−1
Appearance: Colorless liquid
Density: 903 mg mL−1
Melting point: −59.00 °C
Boiling point: 228.1 °C
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

Synonym: 2-Ethylcaproic acid

CAS Number 149-57-5 
Linear Formula CH3(CH2)3CH(C2H5)CO2H 
Molecular Weight 144.21 
Beilstein/REAXYS Number 1750468 
EC Number 205-743-6 
MDL number MFCD00002675
PubChem Substance ID 24878352 

(+/-)-2-ETHYLHEXANOIC ACID; 2-Butylbutanoic acid; 2-Ethyl hexanoic acid; 2-Ethyl-1-hexanoic acid; 2-Ethyl-hexoic acid; 2-Ethyl-Hexonic acid; 2-Ethylcaproic acid; 2-Ethylcapronic acid    
2-ethylhexanoic acid; 2-Ethylhexoic acid; 3-Heptanecarboxylic acid; alpha-Ethylcaproic acid; alpha-Ethylhexanoic acid; Butylethylacetic acid; 2-ETHYLHEXANOIC ACID; 149-57-5
2-Ethylcaproic acid
Hexanoic acid, 2-ethyl-
Ethylhexanoic acid
Ethylhexoic acid
2-Ethylhexoic acid
Butylethylacetic acid
2-Butylbutanoic acid
3-Heptanecarboxylic acid
Ethyl hexanoic acid
2-ethyl-hexoic acid
2-ethyl hexanoic acid
alpha-Ethylcaproic acid
2-ethyl-hexanoic acid
CCRIS 3348
HSDB 5649
alpha-ethyl caproic acid
Kyselina 2-ethylkapronova [Czech]
NSC 8881
EINECS 205-743-6
.alpha.-Ethylcaproic acid
Ethyl hexanoic acid, 2-
Kyselina heptan-3-karboxylova [Czech]
BRN 1750468
2-Ethylhexanoic acid, 99%
2-Ethylhexanoic acid, >=99%
2-Ethylhexanoic acid, analytical standard
Kyselina 2-ethylkapronova
2-Ethylhexanoic acid rare earth salts
Rare earth 2-ethylhexanoate
Kyselina heptan-3-karboxylova
Hexanoic acid, 2-ethyl-, rare earth salts
Hexanoic acid, 2-ethyl-, (-)-
EINECS 262-971-9
2-Ethyl-Hexonic acid
alpha-Ethylhexanoic acid
2-Ethyl-1-hexanoic acid
.alpha.-Ethylhexanoic acid

Hexanoic acid,2-ethyl-, tridecyl ester
2-ethylhexanoate (isobar with 2-propylpentanoate)
2-Ethylhexanoic acid


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