2-Bromo-4-chlorobenzaldehyde
2-Bromo-4-chlorobenzaldehyde (CAS 84459-33-6) is a halogenated aromatic aldehyde with the molecular formula C7H4BrClO and a molecular weight of 219.46 g/mol. This compound serves as a valuable intermediate and building block in organic synthesis. Its reactive aldehyde group and halogen substituents make it suitable for a range of chemical transformations, particularly in the development of novel organic molecules for research and potential industrial applications. TSS supplies this chemical with an assay of 97%.

Organic Synthesis Intermediate
Utilised as a key building block in the synthesis of complex organic molecules. The presence of both bromine and chlorine atoms allows for diverse coupling and substitution reactions.
Pharmaceutical Research
Serves as a precursor in the development of new pharmaceutical compounds. Its structure can be modified to explore novel drug candidates and pharmacologically active agents.
Material Science
Investigated for its potential use in the creation of advanced materials. The aromatic structure and functional groups can be incorporated into polymers or other functional materials.
Agrochemical Development
A potential intermediate in the synthesis of new agrochemical agents. Its reactivity profile can be leveraged to create molecules with targeted biological activity.
| Molecular weight | 219.46 |
|---|---|
| Empirical formula | C7H4BrClO |
| Assay | 97% |
| Melting point | 68-73 °C |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38 |
| Safety statements (S) | 26 |
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 2-Bromo-4-chlorobenzaldehyde used for?
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2-Bromo-4-chlorobenzaldehyde is primarily used as an intermediate and building block in organic synthesis, particularly in the research and development of new pharmaceutical compounds, agrochemicals, and advanced materials.
What is the CAS number and molecular formula for 2-Bromo-4-chlorobenzaldehyde?
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The CAS number is 84459-33-6 and the molecular formula is C7H4BrClO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Bromo-4-chlorobenzaldehyde with a minimum assay of 97%. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeial grade.
How should 2-Bromo-4-chlorobenzaldehyde be handled safely?
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Handle 2-Bromo-4-chlorobenzaldehyde with care. It is harmful if swallowed, causes skin irritation, causes serious eye irritation, may cause respiratory irritation, and is toxic to aquatic life with long lasting effects. Ensure good ventilation, wear appropriate personal protective equipment (gloves, eye protection), and avoid release into the environment.
How is 2-Bromo-4-chlorobenzaldehyde packed and shipped?
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2-Bromo-4-chlorobenzaldehyde is carefully packed to ensure safe transit and is exported globally by Tech Serve Solutions in compliance with all relevant shipping regulations.
How can I request a quote or sample for 2-Bromo-4-chlorobenzaldehyde?
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To request a quote or sample, please contact the Tech Serve Solutions sales team through our website or by phone, providing your contact details and the product CAS number (84459-33-6).
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