3-Bromo-4-methylbenzaldehyde
3-Bromo-4-methylbenzaldehyde (CAS: 36276-24-1, Formula: C8H7BrO, MW: 199.04) is a brominated aromatic aldehyde. This compound serves as a valuable intermediate and building block in organic synthesis. It is particularly useful in the preparation of more complex molecules within the pharmaceutical and chemical industries, owing to the reactivity of both the aldehyde and bromide functional groups.
- IUPAC
- 3-Bromo-p-tolualdehyde

Organic Synthesis Intermediate
3-Bromo-4-methylbenzaldehyde functions as a key intermediate in multi-step synthesis pathways. Its aldehyde group can participate in various condensation and addition reactions, while the bromo-substituent allows for cross-coupling and nucleophilic substitution reactions.
Pharmaceutical Building Block
This compound is utilised in the development of novel pharmaceutical agents. The specific arrangement of the bromo and aldehyde moieties on the toluene core provides a scaffold for constructing biologically active molecules.
Research and Development
Researchers employ 3-Bromo-4-methylbenzaldehyde in academic and industrial laboratories for exploring new chemical transformations and creating diverse molecular libraries.
| Molecular weight | 199.04 |
|---|---|
| Empirical formula | C8H7BrO |
| Assay | 97% |
| Melting point | 47-52 °C |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| 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 3-Bromo-4-methylbenzaldehyde primarily used for?
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3-Bromo-4-methylbenzaldehyde is primarily used as an intermediate and building block in organic synthesis, particularly for the preparation of pharmaceuticals and other complex organic molecules.
What are the CAS number and formula for 3-Bromo-4-methylbenzaldehyde?
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The CAS number for 3-Bromo-4-methylbenzaldehyde is 36276-24-1, and its molecular formula is C8H7BrO.
What grade and purity does Tech Serve Solutions supply for 3-Bromo-4-methylbenzaldehyde?
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Tech Serve Solutions supplies 3-Bromo-4-methylbenzaldehyde with a purity of 97%. We do not represent this product as USP, BP, or EP grade.
What are the main safety concerns when handling 3-Bromo-4-methylbenzaldehyde?
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3-Bromo-4-methylbenzaldehyde is classified with a Warning signal word. It is harmful if swallowed (H302), causes skin irritation (H315), may cause an allergic skin reaction (H317), causes serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment in a well-ventilated area.
How is 3-Bromo-4-methylbenzaldehyde packaged and exported by TSS?
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Tech Serve Solutions securely packages and exports 3-Bromo-4-methylbenzaldehyde in compliance with all relevant shipping regulations to ensure safe delivery worldwide.
How can I request a quote or sample of 3-Bromo-4-methylbenzaldehyde?
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To request a quote or a sample of 3-Bromo-4-methylbenzaldehyde, please contact our sales department through the TSS website or by phone.
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