Description

1,3-Isobenzofurandione, Oxidized is a specialized organic compound belonging to the class of oxidized phthalic anhydride derivatives. This chemical serves as a critical intermediate and functional additive in advanced material synthesis, offering unique reactivity for polymer modification and cross-linking. It is primarily utilized by manufacturers in the polymer, coatings, and specialty chemical industries seeking to enhance material properties such as thermal stability and adhesion.

Application

• As a key monomer or cross-linking agent in the production of high-performance polyimide resins and other specialty polymers.
• Utilized in the synthesis of advanced epoxy curing agents and hardeners for coatings and composites.
• Acts as a reactive intermediate in pharmaceutical and agrochemical active ingredient synthesis.
• Employed in the formulation of adhesives and sealants to improve bond strength and chemical resistance.
• Used in research and development for creating novel organic electronic materials.
• Serves as a modifier for alkyd resins in industrial coating applications.

Basic Information

Product Name	1,3-Isobenzofurandione, Oxidized
CAS No.	68411-80-3
Molecular Formula	C8H4O4
Molecular Weight	164.12 g/mol
Synonyms	Oxidized Phthalic Anhydride; 4,5-Dihydroxyphthalic Anhydride; 1,3-Dioxo-1,3-dihydroisobenzofuran-4,5-diol; Tetrahydroxyphthalic Anhydride Derivative; 4,5-Dihydroxy-1,3-isobenzofurandione; Oxo-phthalic Anhydride; Dihydroxyphthalic Anhydride
EINECS	Contact for details

Quality Control

Our 1,3-Isobenzofurandione, Oxidized is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including assay, purity, and impurity profile analysis, to ensure it meets precise customer specifications and consistent performance. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product quality and stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Melting Point	Contact for details
Heavy Metals	< 10 ppm

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