2-Ethylhexanoic Acid

• CAT Number: R064345
• CAS Number: 149-57-5
• Molecular Formula: C8H16O2
• Molecular Weight: 144.21
• Purity: ≥95%
• Synonyms: α-Ethyl-caproic Acid; (±)-2-Ethylhexanoic Acid; 2-Butylbutanoic Acid; 2-Ethyl-1-hexanoic Acid; 2-Ethylcaproic Acid; 2-Ethylhexanoic Acid; 2-Ethylhexoic Acid; 3-Heptanecarboxylic Acid; Butylethylacetic Acid; Ethylhexanoic Acid; NSC 8881; ?Octylic Acid
• Storage: -20°C
• IUPAC Name: 2-ethylhexanoic acid
• InChI: InChI=1S/C8H16O2/c1-3-5-6-7(4-2)8(9)10/h7H,3-6H2,1-2H3,(H,9,10)
• InChIKey: OBETXYAYXDNJHR-UHFFFAOYSA-N
• SMILES: CCCCC(CC)C(=O)O

2-Ethylhexanoic acid（Cat No.:R064345）is a branched-chain carboxylic acid commonly used as an intermediate in the production of metal salts, plasticizers, lubricants, and specialty chemicals. With a hydrophobic alkyl chain and a reactive carboxylic group, it forms stable complexes with metals such as cobalt, zinc, and tin—widely applied as catalysts, driers, and stabilizers in coatings, adhesives, and PVC processing. It is a clear to pale yellow liquid, offering good solubility in organic solvents. 2-Ethylhexanoic acid is valued for its chemical stability, versatility, and performance in industrial formulations.