Description

1,3-Isobenzofurandione,4,7-Dimethyl- is a specialized dimethyl-substituted phthalimide derivative, a key building block in advanced organic synthesis. Its value lies in its unique aromatic structure, which serves as a versatile precursor for creating complex molecules with tailored properties. This compound is primarily needed by research and development chemists in the pharmaceutical and agrochemical industries, as well as by manufacturers of high-performance polymers and dyes.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a rigid, substituted aromatic core.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides, where its structure can impart specific biological activity.
• Polymer & Resin Modifier: Acts as a monomer or additive to enhance the thermal stability, rigidity, or optical properties of engineering plastics and specialty resins.
• Dye & Pigment Manufacturing: Serves as an intermediate in the production of high-value organic pigments and colorants for industrial applications.
• Organic Light-Emitting Diode (OLED) Materials: Investigated as a core structure in the development of electron-transport or host materials for advanced display technologies.
• Chemical Research & Development: Employed in academic and industrial R&D for exploring new reactions and creating novel heterocyclic compounds.

Basic Information

Product Name	1,3-Isobenzofurandione,4,7-Dimethyl-
CAS No.	5463-50-3
Molecular Formula	C10H8O3
Molecular Weight	176.17 g/mol
Synonyms	4,7-Dimethylphthalic Anhydride; 4,7-Dimethyl-1,3-isobenzofurandione; 4,7-Dimethyl-1,3-dihydro-2-benzofuran-1,3-dione; 4,7-Dimethylphthalic acid anhydride; 1,3-Dioxo-4,7-dimethyl-1,3-dihydro-2-benzofuran; 4,7-Dimethyl-2-benzofuran-1,3-dione
EINECS	226-764-9

Quality Control

Our 1,3-Isobenzofurandione,4,7-Dimethyl- is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, which includes data from techniques such as HPLC, GC, and NMR. Specifications are designed to meet the rigorous demands of research and industrial synthesis.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

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%
Heavy Metals	≤ 20 ppm

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