Description

3-(Methoxymethylene)-2(3H)-Benzofuranone is a versatile heterocyclic building block and a key intermediate in organic synthesis. Its unique molecular structure, featuring a reactive exocyclic double bond, makes it a valuable precursor for constructing complex molecules. This compound is primarily sought by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of complex heterocyclic compounds with potential biological activity.
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and fungicides.
• Material Science Research: Serves as a monomer or precursor for developing novel polymers and advanced organic materials.
• Dye and Pigment Intermediate: Employed in the synthesis of specialized organic dyes and colorants.
• Academic & R&D Laboratories: A valuable reagent for methodological studies and exploring new synthetic pathways in organic chemistry.
• Fine Chemical Production: Used in the custom synthesis of specialty chemicals for various high-value applications.

Basic Information

Product Name	3-(Methoxymethylene)-2(3H)-Benzofuranone
CAS No.	40800-90-6
Molecular Formula	C10H8O3
Molecular Weight	176.17 g/mol
Synonyms	3-(Methoxymethylene)phthalide; 3-Methoxymethylenephthalide; 2(3H)-Benzofuranone, 3-(methoxymethylene)-; 3-Methoxymethylene-1-phthalanone; Methoxymethylenephthalide; 3-Methoxymethylene-3H-isobenzofuran-1-one
EINECS	Contact for details

Quality Control

Our 3-(Methoxymethylene)-2(3H)-Benzofuranone is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and structural confirmation, to ensure it meets the high standards required for research and industrial synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability, consistency, and reliability for your critical processes.

Storage

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

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.