1,2,4-Tribromobenzene
1,2,4-Tribromobenzene (CAS 615-54-3), with the molecular formula C6H3Br3 and a molecular weight of 314.80 g/mol, is a halogenated aromatic compound. It serves as a valuable building block in organic synthesis, particularly in the development of complex molecular architectures. Its utility is demonstrated in the creation of hyperbranched polymers and as a cross-linking reagent in palladium-catalyzed coupling reactions. Tech Serve Solutions supplies this chemical at a purity of 95%.
- Synonyms
- 615-54-3C6H3Br3

Polymer Synthesis
1,2,4-Tribromobenzene has been utilised in the synthesis of hyperbranched poly(p-phenylene ethynylenes), contributing to the development of advanced polymeric materials with unique structural properties.
Cross-Linking Reagent
This compound acts as a cross-linking reagent in palladium-catalyzed coupling reactions, facilitating the formation of complex organic structures through specific bonding.
Organic Synthesis Building Block
As a tribrominated benzene derivative, it functions as a versatile building block in organic chemistry for constructing more elaborate molecules and intermediates.
| Molecular weight | 314.80 |
|---|---|
| Empirical formula | C6H3Br3 |
| Assay | 95% |
| Application | 1,2,4-tribromobenzene was used in the synthesis of hyperbranched poly(p-phenylene ethynylenes)1. It was used as cross-linking reagent during Pd-catalyzed cross-coupling of 2,5-diiodo-4-[(2-ethylhexyl)oxy]methoxybenzene and 1,4-diethynyl-2,5-bis-(octyloxy)benzene1. |
| Melting point | 41-43 °C(lit.) |


Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P305IF IN EYES
- P501Dispose of contents and container per local regulations
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
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 1,2,4-Tribromobenzene used for?
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1,2,4-Tribromobenzene is primarily used as a building block in organic synthesis, including the preparation of hyperbranched polymers and as a cross-linking reagent in palladium-catalyzed coupling reactions.
What is the CAS number and formula for 1,2,4-Tribromobenzene?
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The CAS number for 1,2,4-Tribromobenzene is 615-54-3, and its empirical formula is C6H3Br3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,2,4-Tribromobenzene with an assay of 95%. We do not represent this product as USP, BP, or EP grade.
How should 1,2,4-Tribromobenzene be handled safely?
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1,2,4-Tribromobenzene is a warning hazardous substance causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335), and is toxic to aquatic life with long-lasting effects (H410). Handle with appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, in a well-ventilated area.
Is 1,2,4-Tribromobenzene regulated or scheduled?
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Based on the provided data, there is no indication that 1,2,4-Tribromobenzene is a controlled or scheduled substance.
How is 1,2,4-Tribromobenzene packed and exported?
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1,2,4-Tribromobenzene is packed and exported according to international regulations for hazardous materials, identified under UN 3077, Class 9, Packing Group III. Specific packaging details are available upon request.
How can I request a sample or quote for 1,2,4-Tribromobenzene?
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To request a sample or a quotation for 1,2,4-Tribromobenzene, please contact our sales department through the website or by phone, providing your specific requirements.
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