Description

2-Ethyl-2-Methyloctanoic Acid is a branched-chain carboxylic acid valued for its role as a versatile synthetic intermediate and performance additive. Its unique structure, featuring a tertiary carbon at the alpha position, makes it particularly useful in applications requiring specific steric and solubility properties. This compound is essential for manufacturers in the polymer, lubricant, and specialty chemical industries seeking to modify material characteristics.

Application

• Polymer Additive: Acts as a co-monomer or chain transfer agent in the production of specialty polymers and resins to modify flexibility and thermal properties.
• Lubricant & Grease Formulation: Serves as a precursor for synthetic esters used in high-performance lubricants and metalworking fluids.
• Corrosion Inhibitor Intermediate: Used in the synthesis of oil-soluble corrosion inhibitors for industrial fuel and lubricant systems.
• Plasticizer Synthesis: An intermediate in the manufacture of specialized plasticizers for PVC and other polymers.
• Surfactant & Emulsifier Production: Provides a hydrophobic branch for creating non-ionic surfactants with low foam and good wetting characteristics.
• Pharmaceutical & Agrochemical Intermediates: Employed as a building block in the synthesis of active ingredients and fine chemicals.
• Flavor & Fragrance Ingredient: Used in the creation of esters that contribute to specific aroma profiles.
• Coating & Ink Additive: Improves flow, leveling, and adhesion properties in solvent-based coating formulations.

Basic Information

Product Name	2-Ethyl-2-Methyloctanoic Acid
CAS No.	31199-56-1
Molecular Formula	C11H22O2
Molecular Weight	186.29 g/mol
Synonyms	2-Ethyl-2-methyloctanoic acid; 2-Methyl-2-ethyloctanoic acid; 2-Ethyl-2-methylcaprylic acid; Isoheptanoic acid, 2-ethyl-2-methyl-; 2-Ethyl-2-methyloctanoic acid (C11); 2-Methyl-2-ethylcaprylic acid; 2-Ethyl-2-methyloctanoic acid (VERSATIC 11); Versatic Acid 11 (trade name)
EINECS	Contact for details

Quality Control

Our 2-Ethyl-2-Methyloctanoic Acid is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and consistency. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to minimize moisture absorption and contamination.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Color (APHA)	≤ 50
Water Content (KF)	≤ 0.2%
Acid Value	295 - 305 mg KOH/g

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.