Description

Pentanoic Acid,2-Ethyl-4-Methyl- is a branched-chain carboxylic acid with the CAS number 108-81-6. This specialty chemical serves as a versatile intermediate and building block in the synthesis of high-value products, offering unique structural properties for performance-driven applications. It is primarily required by manufacturers in the fragrance, flavor, pharmaceutical, and polymer industries seeking to develop or enhance specific product characteristics.

Application

• Fragrance and Flavor Industry: Used as a key intermediate in the synthesis of esters and other compounds that impart fruity, sweet, or creamy notes to perfumes, cosmetics, and food flavorings.
• Pharmaceutical Intermediates: Acts as a crucial building block in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals, leveraging its specific carbon skeleton.
• Polymer Additives: Employed in the production of plasticizers, stabilizers, and other polymer modifiers to improve flexibility, durability, or processing characteristics.
• Lubricant and Grease Formulation: Serves as a precursor for synthetic esters used in high-performance lubricants and industrial greases.
• Agrochemical Synthesis: Utilized as an intermediate in the manufacture of certain pesticides, herbicides, and plant growth regulators.
• Solvent and Extraction Agent: Functions as a specialty solvent or co-solvent in various chemical processes and extraction applications.

Basic Information

Product Name	Pentanoic Acid,2-Ethyl-4-Methyl-
CAS No.	108-81-6
Molecular Formula	C8H16O2
Molecular Weight	144.21 g/mol
Synonyms	2-Ethyl-4-methylpentanoic acid; 4-Methyl-2-ethylpentanoic acid; 2-Ethyl-4-methylvaleric acid; Ethylmethylpentanoic acid; NSC 20996; 108-81-6; α-Ethyl-β-methylvaleric acid
EINECS	203-621-5

Quality Control

Our Pentanoic Acid,2-Ethyl-4-Methyl- is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and consistency. Certificates of Analysis (COA) detailing the results of tests such as assay, identity (IR), and impurity profile are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is 15-25°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 reference spectrum
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.425 - 1.430
Density (20°C)	0.910 - 0.920 g/mL

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