Description

1,3-Isobenzofurandione, Cathodic-Reduced is a specialized, high-purity chemical intermediate produced via a controlled electrochemical reduction process. This compound is critical for applications requiring precise chemical functionality and consistent batch-to-batch quality. It is primarily utilized by R&D chemists and process engineers in the pharmaceutical, agrochemical, and advanced materials sectors for synthesizing novel compounds and fine-tuning material properties.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs) and complex organic molecules.
• Agrochemical Synthesis: Used in the development and production of advanced herbicides, fungicides, and plant growth regulators.
• Polymer & Resin Modification: Acts as a functional monomer or cross-linking agent to enhance the thermal stability and mechanical properties of specialty polymers.
• Electrochemical Research: Employed as a model compound or reagent in studies related to electron transfer processes and energy storage materials.
• Fine Chemical Production: Integral to multi-step synthetic routes for producing dyes, pigments, and other high-value specialty chemicals.
• Academic & Industrial R&D: A valuable reagent for methodological development and exploratory chemistry in research laboratories.

Basic Information

Product Name	1,3-Isobenzofurandione, Cathodic-Reduced
CAS No.	86089-08-9
Molecular Formula	C8H4O3
Molecular Weight	148.12 g/mol
Synonyms	Electrochemically Reduced Phthalic Anhydride; Cathodically Reduced 1,3-Isobenzofurandione; Reduced Phthalic Anhydride Derivative; 1,3-Dioxoisobenzofuran-5(3H)-one (reduced form); 3-Hydroxyphthalide (related reduced species); Phthalide-3-carboxylic Acid Precursor; ERPA; CR-PA
EINECS	Contact for details

Quality Control

Every batch of 1,3-Isobenzofurandione, Cathodic-Reduced is manufactured under a strict quality management system. Our products undergo rigorous analytical testing, including HPLC, NMR, and Karl Fischer titration, to ensure compliance with stringent purity and identity specifications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture. Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5% w/w
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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