Description

1,3-Isobenzofurandione,4,6-Dimethyl-(9Ci) is a dimethyl-substituted derivative of phthalic anhydride, a versatile chemical intermediate. This compound is valued for its role in synthesizing specialized polymers, dyes, and fine chemicals where the methyl substituents impart specific steric and electronic properties. It is primarily sought by manufacturers in the polymer, agrochemical, and specialty chemical industries for research and production-scale applications.

Application

• Polymer Synthesis: A key monomer or intermediate in the production of modified polyimides, polyesters, and alkyd resins, enhancing thermal stability and solubility.
• Dye and Pigment Manufacturing: Serves as a precursor for the synthesis of specialized phthalocyanine dyes and organic pigments.
• Agrochemical Intermediates: Used in the synthesis of certain herbicides and fungicides, leveraging its aromatic anhydride functionality.
• Pharmaceutical Intermediates: Employed in the research and development of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Fine Chemical Synthesis: Acts as a building block for various specialty chemicals, including corrosion inhibitors and plasticizers.
• Epoxy Curing Agents: Can be utilized as a component in advanced epoxy resin curing systems.
• Liquid Crystal Materials: Investigated as a precursor for components in liquid crystal displays (LCDs).
• Research & Development: A valuable reagent for academic and industrial R&D in organic and materials chemistry.

Basic Information

Product Name	1,3-Isobenzofurandione,4,6-Dimethyl-(9Ci)
CAS No.	60398-94-9
Molecular Formula	C10H8O3
Molecular Weight	176.17 g/mol
Synonyms	4,6-Dimethylphthalic Anhydride; 4,6-Dimethyl-1,3-isobenzofurandione; 4,6-Dimethyl-1,3-dihydro-2-benzofuran-1,3-dione; 4,6-Dimethylphthalic acid anhydride; 1,3-Dioxo-4,6-dimethyl-1,3-dihydro-2-benzofuran; 4,6-Dimethyl-2-benzofuran-1,3-dione; 4,6-Dimethylisobenzofuran-1,3-dione
EINECS	Contact for details

Quality Control

Our 1,3-Isobenzofurandione,4,6-Dimethyl-(9Ci) is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure high purity and consistent performance. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment supports applications requiring reliable and traceable raw materials.

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). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture, which may affect product quality.

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
Residue on Ignition	≤ 0.1%

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