Description

1(3H)-Isobenzofuranone is a specialized heterocyclic organic compound belonging to the class of lactones. This chemical serves as a valuable building block and intermediate in advanced organic synthesis, enabling the creation of complex molecular architectures. It is primarily sought after by R&D laboratories and manufacturers in the pharmaceutical and agrochemical sectors for the development of active ingredients and novel materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with fused ring systems.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and plant growth regulators.
• Organic Light-Emitting Diodes (OLEDs): Serves as a core structure or intermediate in the development of novel electron-transport or emissive materials.
• Polymer Chemistry: Acts as a monomer or modifying agent for synthesizing specialized polymers with unique thermal or mechanical properties.
• Dye and Pigment Manufacturing: Intermediate for producing high-performance organic dyes and functional pigments.
• Academic and Industrial Research: A versatile scaffold in medicinal chemistry and material science research for exploring new chemical entities.

Basic Information

Product Name	1(3H)-Isobenzofuranone
CAS No.	591234-45-6
Molecular Formula	C8H6O2
Molecular Weight	134.13 g/mol
Synonyms	Phthalide; 1,3-Dihydroisobenzofuran-1-one; 1(3H)-Isobenzofuranone; Isobenzofuran-1(3H)-one; 3H-Isobenzofuran-1-one; 2-Benzofuran-1(3H)-one; 1-Oxoisobenzofuran-3-one; Phthalan-1-one
EINECS	Contact for details

Quality Control

Our 1(3H)-Isobenzofuranone is produced under a strict quality management system. Each batch undergoes comprehensive 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) documenting purity, physical characteristics, and test results are available upon request to support your quality assurance protocols.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	72 - 76 °C
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.