Description

3,5,5-Trimethylhexanoic Acid is a branched-chain carboxylic acid valued for its role as a versatile chemical intermediate. Its unique structure provides excellent solvent properties and makes it a key building block for high-performance synthetic lubricants and plasticizers. This product is essential for manufacturers in the chemical synthesis, polymer, and specialty lubricant industries seeking to enhance product performance and stability.

Application

• Synthetic Lubricant Base Stock: A critical intermediate in the production of high-performance synthetic esters (e.g., polyol esters) used in aviation, automotive, and industrial lubricants for superior thermal and oxidative stability.
• Plasticizer and Stabilizer Intermediate: Used in the synthesis of metal carboxylates (e.g., cobalt, zinc salts) that act as catalysts, driers for paints/coatings, and stabilizers for PVC and other polymers.
• Flavor and Fragrance Synthesis: Serves as a precursor for esters and other derivatives used in creating specific aroma and flavor compounds.
• Pharmaceutical Intermediates: Employed in organic synthesis routes for active pharmaceutical ingredients (APIs) and other fine chemicals.
• Corrosion Inhibitor Formulation: Its derivatives are utilized in functional fluids and industrial formulations to protect metal surfaces.
• Solvent and Extraction Agent: Acts as an effective solvent for resins, gums, and other organic materials in various chemical processes.

Basic Information

Product Name	3,5,5-Trimethylhexanoic Acid
CAS No.	512-34-5
Molecular Formula	C9H18O2
Molecular Weight	158.24 g/mol
Synonyms	3,5,5-Trimethylhexanoic Acid; Isobutyltrimethylacetic Acid; 3,5,5-Trimethylcaproic Acid; Isobutyltrimethylacetate (acid form); TMHA; Hexanoic acid, 3,5,5-trimethyl-; NSC 66466
EINECS	208-142-5

Quality Control

Our 3,5,5-Trimethylhexanoic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and physical properties. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance with your requirements.

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 maintain product integrity.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.424 - 1.428
Density (20°C)	0.90 - 0.92 g/mL
Acid Value	345 - 355 mg KOH/g

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