Description

4,5,5',7,7'-Pentabromo-δ2,2'(3H,3'H)-Bi[1H-Indole]-3,3'-Dione is a high-purity, halogenated organic compound of significant industrial interest. This specialty chemical serves as a critical advanced intermediate in the synthesis of complex molecules, valued for its unique brominated indole structure. It is primarily sought by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for developing novel active ingredients.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in oncology and CNS research.
• Agrochemical Synthesis: Used in the development of advanced pesticides and herbicides, leveraging its bromine content for enhanced bioactivity.
• Material Science Research: Acts as a monomer or precursor for creating specialized polymers and organic electronic materials.
• Dye & Pigment Intermediate: Serves in the production of high-performance, halogenated dyes and colorants.
• Flame Retardant Synergist: Investigated for use as a component in advanced flame retardant formulations for plastics and textiles.
• Organic Synthesis Reagent: A versatile reagent in academic and industrial laboratories for bromination and cross-coupling reactions.

Basic Information

Product Name	4,5,5',7,7'-Pentabromo-δ2,2'(3H,3'H)-Bi[1H-Indole]-3,3'-Dione
CAS No.	6492-70-2
Molecular Formula	C16H4Br5N2O2
Molecular Weight	691.65 g/mol
Synonyms	4,5,5',7,7'-Pentabromoisatin Dimer; 2,2'-Bi(4,5,7-tribromo-1H-indole-3-one); Pentabromodihydroxybiindole; 4,5,5',7,7'-Pentabromo-2,2'-biindoline-3,3'-dione; 4,5,5',7,7'-Pentabromo-2,2'-dihydroxy-1,1'-biindole-3,3'-dione; 4,5,5',7,7'-Pentabromoindirubin (common name); NSC 403119
EINECS	Contact for details

Quality Control

Our 4,5,5',7,7'-Pentabromo-δ2,2'(3H,3'H)-Bi[1H-Indole]-3,3'-Dione is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing including HPLC for purity and spectroscopic identification (NMR, IR) to ensure chemical identity and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at ambient temperature (15-25°C). Keep away from incompatible materials such as strong bases and reducing agents. The product is light-sensitive and should be stored away from light.

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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