Description

5-Butylidenefuran-2(5H)-One is a versatile furanone derivative, a key chemical intermediate prized for its reactive butylidene moiety and lactone functionality. This compound is essential for synthesizing complex molecules, offering a strategic building block for fine chemical and pharmaceutical research. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing novel molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates, particularly those requiring fused or substituted furanone rings.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators, leveraging its reactive structure.
• Fine Chemical Production: Acts as a building block for creating flavors, fragrances, and other high-value specialty chemicals.
• Material Science Research: Investigated as a monomer or modifying agent for developing polymers with specific thermal or optical properties.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic synthesis, including cycloaddition and functionalization reactions.

Basic Information

Product Name	5-Butylidenefuran-2(5H)-One
CAS No.	18338-88-0
Molecular Formula	C₈H₁₀O₂
Molecular Weight	138.16 g/mol
Synonyms	5-Butylidene-2(5H)-furanone; 2(5H)-Furanone, 5-butylidene-; 5-Butylidenefuran-2-one; Butylidenefuranone; α-Angelica lactone, 5-butylidene derivative; 5-Butylidenedihydro-2(3H)-furanone
EINECS	Contact for details

Quality Control

Our 5-Butylidenefuran-2(5H)-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (NMR, IR), to ensure high purity and consistent performance. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents and bases.

Specification

Item	Specification
Appearance	Yellow to light brown liquid or low-melting solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Typical grade)
Water Content	≤ 0.5%

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