Description

5,6-Dibromoisobenzofuran-1,3-Dione is a high-purity brominated isobenzofuran derivative, serving as a critical synthetic intermediate in advanced organic chemistry. Its value lies in its unique halogenated structure, which enables precise functionalization and the construction of complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science sectors, particularly for developing novel active ingredients and specialty polymers.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug candidates, especially those requiring bromine atoms for further coupling reactions or to modulate biological activity.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, where its dibromo-substituted ring system can be incorporated into bioactive molecules.
• Organic Electronic Materials: Serves as a precursor for the development of novel organic semiconductors, light-emitting diodes (OLEDs), and other functional materials due to its electron-deficient aromatic core.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the production of high-performance polymers with specific thermal or chemical resistance properties.
• Chemical Research & Development: A versatile reagent for academic and industrial R&D labs exploring new organic transformations, catalysis, and the synthesis of heterocyclic compounds.
• Dye and Pigment Intermediate: Utilized in the synthesis of specialized dyes and pigments where bromine atoms are integral to the color and stability of the final product.

Basic Information

Product Name	5,6-Dibromoisobenzofuran-1,3-Dione
CAS No.	65237-17-4
Molecular Formula	C8H2Br2O3
Molecular Weight	313.91 g/mol
Synonyms	5,6-Dibromophthalic anhydride; 4,5-Dibromophthalic anhydride; 5,6-Dibromo-1,3-isobenzofurandione; Dibromophthalic anhydride; 1,3-Dioxo-5,6-dibromoisobenzofuran; 5,6-Dibromobenzene-1,2-dicarboxylic anhydride
EINECS	Contact for details

Quality Control

Our 5,6-Dibromoisobenzofuran-1,3-Dione is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is subjected to comprehensive analytical testing, including HPLC for assay and impurity profiling, to meet exacting customer specifications. A Certificate of Analysis (COA) detailing identity, purity, and related substances is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be kept under dry, inert conditions to prevent degradation. Keep away from incompatible materials such as strong bases and amines.

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%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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