Description

3-Ethyl-4-Methylpentanoic Acid is a branched-chain fatty acid derivative with a unique steric profile. This compound matters as a versatile chiral intermediate and building block for synthesizing complex molecules, offering a specific carbon skeleton for fine chemical production. It is needed by manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for applications requiring precise molecular architecture, such as active pharmaceutical ingredients (APIs) and advanced material precursors.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the synthesis of active pharmaceutical ingredients (APIs) and other bioactive compounds.
• Agrochemical Synthesis: Used as a building block for creating advanced pesticides, herbicides, and plant growth regulators.
• Liquid Crystal & Polymer Chemistry: Serves as a precursor for monomers and additives that impart specific properties to advanced polymers and liquid crystal displays (LCDs).
• Flavor & Fragrance Industry: Acts as an intermediate for the production of esters and other compounds used in creating complex aroma chemicals.
• Organic Synthesis Research: Employed in academic and industrial R&D for method development and the construction of complex organic molecules.
• Lubricant & Fuel Additive Precursor: Used to synthesize specialty esters that function as high-performance additives.

Basic Information

Product Name	3-Ethyl-4-Methylpentanoic Acid
CAS No.	60308-89-6
Molecular Formula	C8H16O2
Molecular Weight	144.21 g/mol
Synonyms	3-Ethyl-4-methylvaleric acid; 4-Methyl-3-ethylpentanoic acid; 3-Ethyl-4-methylpentanoic acid; (±)-3-Ethyl-4-methylpentanoic acid; DL-3-Ethyl-4-methylpentanoic acid; 3-Ethyl-4-methyl-n-valeric acid; Pentanoic acid, 3-ethyl-4-methyl-
EINECS	Contact for details

Quality Control

Our 3-Ethyl-4-Methylpentanoic Acid is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications such as assay, enantiomeric purity (if applicable), and impurity profiles are available for every shipment to support your quality assurance protocols.

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 2-25°C. The product is a strong acid/organic solvent; handle with appropriate personal protective equipment (PPE) and ensure containers are kept tightly sealed to prevent moisture absorption and volatilization.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.425 - 1.435
Specific Gravity (20°C)	0.910 - 0.930

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