1-Bromo-2,3-dichlorobenzene
1-Bromo-2,3-dichlorobenzene (CAS: 56961-77-4) is a halogenated aromatic compound with the molecular formula BrC6H3Cl2 and a molecular weight of 225.90 g/mol. This versatile building block is characterised by its three halogen substituents on a benzene ring. It serves as a key intermediate in organic synthesis, particularly in the development of novel compounds within pharmaceutical research and materials science. TSS supplies this chemical with an assay of 98%.
- Synonyms
- BrC6H3Cl2

Organic Synthesis Intermediate
1-Bromo-2,3-dichlorobenzene acts as a valuable precursor in complex organic synthesis pathways. Its reactive sites allow for further functionalisation, enabling the creation of more intricate molecular structures.
Pharmaceutical Research
This compound is utilised in the research and development of new pharmaceutical agents. Its specific halogenation pattern can be crucial for fine-tuning the pharmacokinetic and pharmacodynamic properties of drug candidates.
Materials Science
The unique structure of 1-Bromo-2,3-dichlorobenzene makes it suitable for incorporation into novel materials. It can contribute to the development of polymers, electronic materials, or specialised organic compounds.
| Molecular weight | 225.90 |
|---|---|
| Linear formula | BrC6H3Cl2 |
| Assay | 98% |
| Boiling point | 243 °C/765 mmHg(lit.) |
| Melting point | 58-61 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| 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-Bromo-2,3-dichlorobenzene used for?
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1-Bromo-2,3-dichlorobenzene is primarily used as an intermediate in organic synthesis, particularly in pharmaceutical research and materials science.
What are the CAS number and molecular formula for 1-Bromo-2,3-dichlorobenzene?
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The CAS number is 56961-77-4, and the molecular formula is BrC6H3Cl2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Bromo-2,3-dichlorobenzene with a purity of 98%. We do not represent this product as USP, BP, or EP grade.
How should 1-Bromo-2,3-dichlorobenzene be handled safely?
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1-Bromo-2,3-dichlorobenzene is classified as an irritant (H315, H319, H335). Handle with appropriate personal protective equipment, including a dust mask (N95 US type), eyeshields, and gloves, in a well-ventilated area. Avoid breathing dust/fume/gas/mist/vapours/spray.
Is 1-Bromo-2,3-dichlorobenzene a controlled substance?
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Based on the provided data, 1-Bromo-2,3-dichlorobenzene is not indicated as a controlled substance.
How is 1-Bromo-2,3-dichlorobenzene packed and exported?
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Tech Serve Solutions, as a specialist global supplier and exporter, ensures appropriate packaging for safe international shipment of 1-Bromo-2,3-dichlorobenzene.
How can I request a quote or sample for 1-Bromo-2,3-dichlorobenzene?
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To request a quote or sample, please contact our sales team through the TSS website, providing the product name and CAS number.
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