Description

4-Ethyl-4-Butyl-δ-Valerolactone is a specialized lactone derivative, a high-purity chemical intermediate valued for its unique structural features that enable precise synthesis in advanced organic chemistry. This compound matters for its role in constructing complex molecular architectures, particularly in the development of fine chemicals and functional materials where specific ring systems are required. It is needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty polymer industries seeking to innovate new active ingredients and performance additives.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds requiring a specific lactone core structure.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a precursor for flavors, fragrances, and other high-value specialty chemicals.
• Polymer & Material Science: Employed as a monomer or modifying agent in the creation of specialty polymers with tailored properties like biodegradability or specific reactivity.
• Organic Synthesis Research: A valuable reagent in academic and industrial R&D for methodology development and the construction of complex natural product analogs.
• Liquid Crystal & Electronic Material Precursor: Potential use in the synthesis of organic components for display technologies and electronic devices.

Basic Information

Product Name	4-Ethyl-4-Butyl-δ-Valerolactone
CAS No.	67770-79-0
Molecular Formula	C11H20O2
Molecular Weight	184.28 g/mol
Synonyms	4-Ethyl-4-butylpentanolide; 4-Ethyl-4-butyl-δ-valerolactone; 4-Butyl-4-ethyl-δ-valerolactone; 4-Ethyl-4-butyl-δ-pentanolactone; 4-Ethyl-4-butyl-5-pentanolide; 4-Ethyl-4-butyl-γ,δ-pentanolactone; 4-Ethyl-4-butyl-5-methyldihydro-2(3H)-furanone; 4-Butyl-4-ethyl-5-methyloxolan-2-one
EINECS	Contact for details

Quality Control

Our 4-Ethyl-4-Butyl-δ-Valerolactone is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing purity, physical characteristics, and test results are available upon request to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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