Description

4,9-Dibromoisochromeno[6,5,4-Def]Isochromene-1,3,6,8-Tetraone is a specialized brominated organic compound belonging to the class of isochromene derivatives. This high-purity intermediate is valued for its unique polycyclic aromatic structure and functional groups, which make it a critical building block in advanced organic synthesis. It is primarily sought after by research institutions and chemical manufacturers developing novel materials, including organic semiconductors, pigments, and pharmaceutical active ingredients.

Application

• Organic Semiconductor Precursor: Serves as a key intermediate in the synthesis of novel electron-accepting materials for organic photovoltaics (OPVs) and organic light-emitting diodes (OLEDs).
• High-Performance Pigment & Dye Intermediate: Used in the development of complex polycyclic colorants with enhanced stability and chromatic properties.
• Pharmaceutical Research Intermediate: Acts as a sophisticated scaffold in medicinal chemistry for the discovery of new therapeutic agents.
• Ligand Synthesis: Employed in the preparation of complex ligands for catalytic systems and coordination chemistry.
• Advanced Material Science: Utilized in the research and development of novel polymers and functional materials with specific electronic or optical characteristics.
• Chemical Research & Development: A valuable compound for academic and industrial R&D exploring new reactions and synthetic methodologies involving brominated aromatic systems.

Basic Information

Product Name	4,9-Dibromoisochromeno[6,5,4-Def]Isochromene-1,3,6,8-Tetraone
CAS No.	83204-68-6
Molecular Formula	C₁₄H₂Br₂O₆
Molecular Weight	457.97 g/mol
Synonyms	4,9-Dibromoisochromeno[6,5,4-def]isochromene-1,3,6,8-tetrone; 1,3,6,8-Tetrahydroxy-4,9-dibromobenzo[lm][1,10]phenanthroline-5,12-dione (alternative representation); 4,9-Dibromonaphtho[2,3-c]furan-1,3,6,8(4H,9H)-tetraone; DBIT; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Every batch of 4,9-Dibromoisochromeno[6,5,4-Def]Isochromene-1,3,6,8-Tetraone is produced and tested under strict quality management protocols to ensure consistency and high purity for research and industrial applications. Our products undergo rigorous quality testing, including advanced chromatographic and spectroscopic methods, to ensure compliance with customer specifications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). Keep the container sealed to minimize exposure to atmospheric moisture. Store away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange powder or crystals
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95% (Typical 97-99%)
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.5%

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