Description

3-Benzylidene-4,5,6,7-Tetrachloro-Isobenzofuran-1-One is a specialized halogenated organic compound that serves as a valuable synthetic intermediate and building block in advanced chemical synthesis. Its unique tetrachlorinated isobenzofuranone core, functionalized with a benzylidene group, makes it a versatile precursor for developing complex molecular architectures. This high-purity chemical is essential for research and development laboratories and production facilities in the pharmaceutical and agrochemical sectors, where it is used to create novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those requiring halogenated heterocyclic scaffolds.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, leveraging its chlorinated structure for bioactivity.
• Material Science Research: Serves as a monomer or precursor for developing specialized polymers and organic electronic materials.
• Organic Synthesis Reagent: Employed in academic and industrial R&D for constructing complex fused-ring systems via cycloaddition or condensation reactions.
• Dye and Pigment Intermediate: Acts as a precursor in the synthesis of specialized colorants and functional dyes.
• Ligand and Catalyst Development: Utilized for creating novel chelating ligands or organocatalysts in asymmetric synthesis.

Basic Information

Product Name	3-Benzylidene-4,5,6,7-Tetrachloro-Isobenzofuran-1-One
CAS No.	19320-04-8
Molecular Formula	C15H6Cl4O2
Molecular Weight	360.02 g/mol
Synonyms	3-Benzylidene-4,5,6,7-tetrachlorophthalide; 4,5,6,7-Tetrachloro-3-benzylidenephthalide; 3-Benzylidene-4,5,6,7-tetrachloro-1(3H)-isobenzofuranone; Tetrachlorobenzylidenephthalide; NSC 163046; 1(3H)-Isobenzofuranone, 4,5,6,7-tetrachloro-3-(phenylmethylene)-
EINECS	Contact for details

Quality Control

Our 3-Benzylidene-4,5,6,7-Tetrachloro-Isobenzofuran-1-One is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets the high standards required for research and industrial synthesis. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting all critical quality attributes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong bases and reducing agents. For long-term storage, consider under an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	Off-white to pale yellow crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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