Description

3(2H)-Benzofuranone, 4,5-Dimethyl- is a high-purity organic chemical intermediate characterized by its specific lactone structure. This compound matters for its role as a versatile building block in the synthesis of more complex molecules, particularly in advanced material and pharmaceutical research. It is needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for creating novel compounds and fine-tuning material properties.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates.
• Agrochemical Synthesis: Building block for developing new herbicides, fungicides, and plant growth regulators.
• Organic Light-Emitting Diodes (OLEDs): Used in the research and development of electron-transport or host materials for display technologies.
• Dye and Pigment Manufacturing: Serves as an intermediate for producing specialized colorants and optical brighteners.
• Polymer Chemistry: Monomer or modifier for creating polymers with specific thermal or optical properties.
• Flavor and Fragrance Industry: Potential intermediate for synthesizing complex aroma chemicals.
• Academic & Industrial Research: A valuable reagent for methodological studies and exploring new chemical reactions.

Basic Information

Product Name	3(2H)-Benzofuranone, 4,5-Dimethyl-
CAS No.	20895-42-5
Molecular Formula	C10H10O2
Molecular Weight	162.19 g/mol
Synonyms	4,5-Dimethyl-3(2H)-benzofuranone; 4,5-Dimethyl-2-benzofuran-1(3H)-one; 4,5-Dimethylphthalide; 4,5-Dimethyl-1(3H)-isobenzofuranone; NSC 221986; 4,5-Dimethyl-3H-isobenzofuran-1-one; 4,5-Dimethyl-1-oxo-1,3-dihydroisobenzofuran
EINECS	Contact for details

Quality Control

Our 3(2H)-Benzofuranone, 4,5-Dimethyl- is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the specifications required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials. This material is light-sensitive (store away from light).

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%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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