Description

3-Ethylhexanoic Acid is a versatile branched-chain fatty acid valued for its role as a key intermediate and performance additive in advanced chemical synthesis. Its unique structure provides excellent solvency and compatibility, making it a critical component for enhancing product properties in demanding industrial applications. This acid is essential for manufacturers in the polymer, lubricant, and specialty chemical sectors seeking to improve process efficiency and final product performance.

Application

• Polymer Industry: Used as a co-monomer or modifier in the production of specialty polymers, resins, and plasticizers to improve flexibility and thermal stability.
• Lubricant & Grease Formulation: Serves as a precursor for synthetic lubricant esters and additives, contributing to high-temperature performance and low volatility.
• Metalworking Fluids: Acts as a corrosion inhibitor and additive in synthetic and semi-synthetic metalworking fluids and coolants.
• Chemical Synthesis: A valuable building block for producing esters, amides, and other derivatives used in flavors, fragrances, and agrochemicals.
• Paint & Coating Additives: Employed in the formulation of driers, dispersants, and flow control agents for improved coating application and film properties.
• Pharmaceutical Intermediates: Utilized in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.

Basic Information

Product Name	3-Ethylhexanoic Acid
CAS No.	41065-91-2
Molecular Formula	C8H16O2
Molecular Weight	144.21 g/mol
Synonyms	3-Ethylcaproic Acid; 3-Ethylhexanoic Acid; Butylethylacetic Acid; Ethylhexanoic Acid (isomer); 2-Ethylhexanoic Acid (isomeric reference); 3-EHA; Hexanoic acid, 3-ethyl-; 3-Ethyl-n-hexanoic Acid
EINECS	Contact for details

Quality Control

Our 3-Ethylhexanoic Acid is produced under a stringent quality management system to ensure batch-to-batch consistency and reliability. Each lot is analyzed against comprehensive specifications, including purity, acidity, and impurity profile. Certificates of Analysis (COA) documenting these results 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, well-ventilated area away from heat sources and incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is 15-25°C. As a strong acid/organic solvent, ensure containers are kept tightly sealed to prevent moisture absorption and maintain product integrity.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Acid Value	Contact for details
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	Contact for details
Density (20°C)	~0.91 g/mL

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