5,7-Dibromoindole
5,7-Dibromoindole (CAS: 36132-08-8) is a halogenated heterocyclic compound with the molecular formula C8H5Br2N and a molecular weight of 274.94 g/mol. It serves as a valuable building block in organic synthesis, particularly for the construction of more complex indole derivatives. Its dibrominated structure allows for selective functionalization, making it useful in the development of novel pharmaceuticals, agrochemicals, and materials science research.
- IUPAC
- 5,7-Dibromo-1H-indole
- Synonyms
- 5,7-Dibromo-1H-indole

Organic Synthesis Intermediate
5,7-Dibromoindole is employed as a versatile intermediate in multi-step organic syntheses. Its bromine atoms can be readily replaced or coupled using various cross-coupling reactions, facilitating the introduction of diverse substituents onto the indole core.
Pharmaceutical Research
This compound is utilized in the research and development of new pharmaceutical agents. The indole scaffold is prevalent in many biologically active molecules, and dibrominated indoles offer a strategic starting point for creating novel drug candidates.
Materials Science
The unique electronic properties conferred by halogenation make 5,7-Dibromoindole a potential precursor for functional materials. It can be incorporated into conjugated systems for applications in organic electronics and optoelectronics.
Agrochemical Development
As a building block for heterocyclic compounds, 5,7-Dibromoindole may find application in the synthesis of novel agrochemicals, contributing to the discovery of new pesticides, herbicides, or fungicides.
| Molecular weight | 274.94 |
|---|---|
| Empirical formula | C8H5Br2N |
| Assay | 97% |
| Melting point | 67-72 °C |


Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
- H413May cause long-lasting harmful effects to aquatic life
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25-37/38-41 |
| Safety statements (S) | 26-39-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 5,7-Dibromoindole used for?
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5,7-Dibromoindole is primarily used as a building block and intermediate in organic synthesis, particularly in the development of pharmaceuticals, agrochemicals, and functional materials. It allows for the selective introduction of various chemical groups onto the indole ring system.
What are the CAS number and molecular formula for 5,7-Dibromoindole?
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The CAS number for 5,7-Dibromoindole is 36132-08-8, and its molecular formula is C8H5Br2N.
What grade and purity does Tech Serve Solutions supply for 5,7-Dibromoindole?
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Tech Serve Solutions supplies 5,7-Dibromoindole with an assay of 97%. This product is typically supplied for research and chemical synthesis purposes and is not represented as USP, BP, or EP grade.
How should 5,7-Dibromoindole be handled safely?
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5,7-Dibromoindole is classified as Dangerous. It is harmful if swallowed, causes skin irritation, causes serious eye damage, and may cause respiratory irritation. Handle with appropriate personal protective equipment, including eyeshields, face shields, gloves, and a P2 respirator if ventilation is inadequate. Avoid breathing dust/fume/gas/mist/vapours/spray. In case of contact, rinse cautiously with water for several minutes and seek immediate medical attention.
How is 5,7-Dibromoindole packed and shipped?
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5,7-Dibromoindole is packed and shipped according to international regulations for hazardous materials. Shipments are classified under UN 2811, Hazard Class 6.1, Packing Group III.
How can I request a quote or sample for 5,7-Dibromoindole?
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To request a quote or sample of 5,7-Dibromoindole, please contact our sales department through the website or by phone. Our team will be happy to assist you with your inquiry.
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