Description

3,5-Dibromo-1(3H)-Isobenzofuranone is a halogenated organic compound that serves as a versatile and reactive synthetic intermediate. Its value lies in its ability to introduce bromine atoms and the phthalide core into more complex molecular architectures, enabling the development of specialized materials and active ingredients. This compound is primarily needed by research chemists and process development teams in the pharmaceutical, agrochemical, and advanced material science sectors for constructing novel molecules.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring brominated aromatic or heterocyclic structures.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides where the dibromophthalide moiety imparts specific biological activity.
• Organic Light-Emitting Diode (OLED) Materials: Serves as a precursor for electron-transport or host materials in OLED devices due to its brominated, electron-deficient aromatic system.
• Ligand and Catalyst Development: Utilized in organometallic chemistry to create specialized ligands for catalysis.
• Polymer Modification: Acts as a monomer or functionalization agent for creating high-performance polymers with unique thermal or optical properties.
• Dye and Pigment Intermediate: Employed in the synthesis of complex organic dyes and pigments.
• Academic and Industrial Research: A valuable reagent for methodological studies in organic synthesis, including cross-coupling reactions and ring-forming transformations.

Basic Information

Product Name	3,5-Dibromo-1(3H)-Isobenzofuranone
CAS No.	102126-70-5
Molecular Formula	C8H4Br2O2
Molecular Weight	291.93 g/mol
Synonyms	3,5-Dibromophthalide; 3,5-Dibromo-1,3-dihydro-2-benzofuran-1-one; 3,5-Dibromo-2-benzofuran-1(3H)-one; 3,5-Dibromo-1(3H)-isobenzofuranone; NSC 403819; 1(3H)-Isobenzofuranone, 3,5-dibromo-; Dibromophthalide
EINECS	Contact for details

Quality Control

Our 3,5-Dibromo-1(3H)-Isobenzofuranone is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for research and industrial synthesis. We adhere to ISO 9001 quality management principles. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles 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, and well-ventilated place at room temperature (15-25°C). Keep away from incompatible materials such as strong bases and reducing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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