CAS 149-57-5: 2-Ethylhexanoic acid

Description:2-Ethylhexanoic acid, with the CAS number 149-57-5, is a branched-chain fatty acid characterized by its eight carbon atoms and a carboxylic acid functional group. It is a colorless to pale yellow liquid with a characteristic odor and is soluble in organic solvents but only slightly soluble in water. The molecular formula is C8H16O2, and it has a molecular weight of approximately 144.21 g/mol. This compound is known for its use as a chemical intermediate in the production of various esters, surfactants, and as a stabilizer in the manufacture of plastics and lubricants. Additionally, 2-ethylhexanoic acid is utilized in the formulation of certain paints and coatings due to its ability to enhance the solubility of metal salts. It exhibits moderate toxicity and should be handled with care, as it can cause skin and eye irritation. Overall, 2-ethylhexanoic acid is an important industrial chemical with diverse applications across multiple sectors.

Formula:C₈H₁₆O₂

InChI:InChI=1/C8H16O2/c1-3-5-6-7(4-2)8(9)10/h7H,3-6H2,1-2H3,(H,9,10)/p-1/t7-/m1/s1

InChI key:InChIKey=OBETXYAYXDNJHR-UHFFFAOYSA-N

SMILES:O=C(O)C(CC)CCCC

Synonyms:
(.+-.)-2-Ethylhexanoic acid
2-Aethylcapronsaeure
2-Butylbutanoic acid
2-Ethyl hexanoic acid
2-Ethyl-1-hexanoic acid
2-Ethylcaproic acid
2-Ethylhexanoic Acid (Eha)
2-Ethylhexansaure
2-Ethylhexoic acid
3-Heptanecarboxylic acid
See more synonyms
Acide 2-ethylhexanoique
Acido 2-Etilhexanoico
Butylethylacetic acid
Caproic acid, α-ethyl-
Ethyl Hexanoic Acid, 2-
Ethylhexanoic acid
Nsc 8881
Octylic acid
α-Ethylcaproic acid
α-Ethylhexanoic acid
Hexanoic acid, 2-ethyl-
(2S)-2-ethylhexanoate
Isocaprylic acid
2-Ethylcapronic acid
(2R)-2-ethylhexanoate
2-methylpropanoic acid
ALPHA-ETHYLCAPROIC ACID
2-ethyl-hexansyra
CARBOXYLIC ACID C8
(RS)-2-Ethylhexansαure
ETHYLBUTYLACETIC ACID
2-ethylhexanoic
2-Ethyl-1-hexanoicacid
OCTANOIC ACID
RARECHEM AL BE 0136
2-ethylhexanoicacid(eha)

Found 12 products.

Product data	Purity	Price range	Estimated delivery
2-ethylhexanoic acid REF: 10-F358263CAS: 149-57-5	99.0%	23.00 €	Mon 29 Sep 25
2-Ethylhexanoic Acid REF: 3B-E0120CAS: 149-57-5	>99.0%(GC)	27.00 €~58.00 €	Mon 29 Sep 25
2-Ethylhexanoic acid, 99% REF: 02-A12644CAS: 149-57-5	99%	To inquire	Tue 30 Sep 25
2-Ethylhexanoic Acid (α-Ethylhexanoic acid) REF: 45-1800198CAS: 149-57-5	- - -	350.00 €	Tue 07 Oct 25
Hexanoic acid, 2-ethyl- REF: IN-DA001LC6CAS: 149-57-5	98%	To inquire	Mon 06 Oct 25
2-Ethyl Hexanoic Acid REF: 4Z-H-051001CAS: 149-57-5	- - -	To inquire	Tue 07 Oct 25
2-Ethylhexanoic acid REF: 7W-GK3558CAS: 149-57-5	≥ 99.5% (anhydrous basis)	To inquire	Tue 07 Oct 25
2-Ethylhexanoic acid REF: 04-C13340100CAS: 149-57-5	- - -	39.00 €	Thu 09 Oct 25
2-Ethylhexanoic acid REF: 54-OR16495CAS: 149-57-5	99%	To inquire	Tue 14 Oct 25
2-Ethylhexanoic Acid REF: TR-E918735CAS: 149-57-5	- - -	235.00 €~315.00 €	Thu 16 Oct 25
2-Ethylhexanoic Acid extrapure, 99% REF: SR-78214CAS: 149-57-5	min. 99%	22.00 €~27.00 €	Mon 03 Nov 25
2-Ethylhexanoic acid, 99% REF: AC-11852CAS: 149-57-5	99%	- - -	Discontinued product