Description

6,6'-Diamino-5,5',7,7'-Tetrabromo-δ2,2'(3H,3'H)-Bi[1H-Indole]-3,3'-Dione is a high-purity, halogenated indole derivative of significant interest in advanced organic synthesis. This compound matters as a sophisticated building block for creating complex molecular architectures, particularly in the development of specialized dyes, pigments, and functional materials. It is primarily needed by research institutions and industrial R&D departments focused on pharmaceuticals, agrochemicals, and high-performance organic electronics.

Application

This specialized chemical intermediate serves critical roles in several high-value research and manufacturing sectors:

• Pharmaceutical Intermediate: Acts as a key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those with complex heterocyclic cores.
• Agrochemical Research: Used in developing new generations of herbicides, fungicides, and insecticides with enhanced properties.
• Functional Dye & Pigment Synthesis: Serves as a core structure for creating brominated dyes and pigments with specific light-absorption or color-fastness characteristics.
• Organic Electronic Materials: Investigated as a potential component in the development of organic semiconductors, OLEDs, or photoconductive materials due to its extended π-conjugated system.
• Academic & Industrial R&D: A valuable reagent for methodological chemistry research, including studies on cross-coupling reactions and the construction of novel indole-based frameworks.
• Ligand Synthesis for Catalysis: Can be utilized to synthesize complex, polydentate ligands for transition metal catalysis.

Basic Information

Product Name	6,6'-Diamino-5,5',7,7'-Tetrabromo-δ2,2'(3H,3'H)-Bi[1H-Indole]-3,3'-Dione
CAS No.	6417-55-6
Molecular Formula	C16H6Br4N4O2
Molecular Weight	637.86 g/mol
Synonyms	5,5',7,7'-Tetrabromoindigo; 6,6'-Diamino-5,5',7,7'-tetrabromoindigo; Tetrabromoindigo; 5,5',7,7'-Tetrabromoindigotin; δ2,2'-Bi(1H-indole)-3,3'-dione, 6,6'-diamino-5,5',7,7'-tetrabromo-; CI 73065; Vat Blue 5B; C.I. 73065
EINECS	Contact for details

Quality Control

Our 6,6'-Diamino-5,5',7,7'-Tetrabromoindigo is produced and handled under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity assessment and spectroscopic methods (NMR, IR, MS) for structural confirmation, to ensure consistent identity and high purity. A detailed Certificate of Analysis (COA) documenting all test results is provided with every shipment to support your quality assurance and regulatory needs.

Storage

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

Specification

Item	Specification
Appearance	Dark Blue to Violet Powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
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.