4-Bromobenzaldehyde
4-Bromobenzaldehyde (CAS: 1122-91-4), a valuable organic compound with the formula BrC6H4CHO and a molecular weight of 185.02 g/mol, is a key intermediate in chemical synthesis. It features an aldehyde group attached to a brominated benzene ring. This reactivity makes it a sought-after building block in the creation of more complex molecules for various industrial and research applications. Tech Serve Solutions supplies this reagent grade chemical.

Organic Synthesis Intermediate
4-Bromobenzaldehyde serves as a crucial building block in the synthesis of pharmaceuticals, agrochemicals, and specialty materials. Its aldehyde functionality readily participates in reactions like Wittig, Grignard, and reductive amination.
Pharmaceutical Research
It is employed in the development of novel drug candidates and active pharmaceutical ingredients (APIs). The bromine atom allows for further functionalization via cross-coupling reactions.
Materials Science
Used in the preparation of functional polymers, dyes, and liquid crystals. The aromatic structure and reactive sites are advantageous for creating advanced materials with specific electronic or optical properties.
Agrochemical Development
Acts as a precursor for synthesizing new pesticides and herbicides. The compound can be modified to introduce specific biological activity required for crop protection.
| Molecular weight | 185.02 |
|---|---|
| Linear formula | BrC6H4CHO |
| Assay | 98% |
| Grade | Vetec™ reagent grade |
| Melting point | 55-58 °C(lit.) |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H334May cause allergy or asthma symptoms if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
- P342
| Flash point | 109 °C / 228.2 °F |
|---|---|
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38-43 |
| Safety statements (S) | 26-36/37 |
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 4-Bromobenzaldehyde used for?
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4-Bromobenzaldehyde is primarily used as an intermediate in organic synthesis for pharmaceuticals, agrochemicals, and materials science, as well as in research chemistry.
What is the CAS number and chemical formula for 4-Bromobenzaldehyde?
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The CAS number is 1122-91-4 and the linear formula is BrC6H4CHO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Bromobenzaldehyde at a reagent grade with an assay of 98%.
How should 4-Bromobenzaldehyde be handled safely?
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4-Bromobenzaldehyde is harmful if swallowed, causes skin irritation, causes serious eye irritation, and may cause allergy or asthma symptoms or breathing difficulties if inhaled. Handle with appropriate personal protective equipment (gloves, eye protection, respiratory protection) in a well-ventilated area. Consult the SDS for full safety details.
Is 4-Bromobenzaldehyde a controlled substance?
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The provided data does not indicate that 4-Bromobenzaldehyde is a controlled substance.
How is 4-Bromobenzaldehyde packed, shipped, and exported?
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4-Bromobenzaldehyde is packed according to industry standards for chemical safety and is exported globally by Tech Serve Solutions, adhering to all relevant shipping regulations.
How can I request a quote or sample for 4-Bromobenzaldehyde?
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Please contact the Tech Serve Solutions sales team via our website or direct contact details to request a quote or sample.
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