Description

3,4-Dichloro-5-Hydroxyfuran-2(5H)-One is a versatile heterocyclic building block and reactive intermediate of significant interest in advanced organic synthesis. Its unique chlorinated furanone structure makes it a critical precursor for the development of pharmaceuticals, agrochemicals, and functional materials. This compound is primarily sought after by R&D chemists and process development scientists in the pharmaceutical and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key synthon for the synthesis of novel active pharmaceutical ingredients (APIs), particularly in antibiotic and antiviral research.
• Agrochemical Synthesis: Used as a building block for developing new herbicides, fungicides, and plant growth regulators.
• Material Science: Serves as a monomer or cross-linking agent in the production of specialty polymers and functional materials.
• Organic Synthesis Reagent: Employed in cyclization reactions and as a precursor for other halogenated heterocycles in academic and industrial research.
• Dye and Pigment Intermediate: Utilized in the synthesis of complex organic colorants and photostable pigments.

Basic Information

Product Name	3,4-Dichloro-5-Hydroxyfuran-2(5H)-One
CAS No.	766-40-5
Molecular Formula	C4H2Cl2O3
Molecular Weight	168.96 g/mol
Synonyms	3,4-Dichloro-5-hydroxy-2(5H)-furanone; 5-Hydroxy-3,4-dichloro-2(5H)-furanone; 3,4-Dichloro-5-hydroxyfuran-2-one; 2(5H)-Furanone, 3,4-dichloro-5-hydroxy-; Dichlorohydroxyfuranone
EINECS	212-175-5

Quality Control

Our 3,4-Dichloro-5-Hydroxyfuran-2(5H)-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing including HPLC for purity, identity confirmation by FT-IR and NMR, and residual solvent analysis to ensure it meets the high standards required for research and industrial use. Certificates of Analysis (COA) documenting all critical parameters are provided with every shipment.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines

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