4-Bromotoluene
4-Bromotoluene (CAS: 106-38-7), with the molecular formula CH3C6H4Br and a molecular weight of 171.03 g/mol, is a halogenated aromatic hydrocarbon. This compound serves as a valuable building block in organic synthesis. It is frequently employed in the creation of more complex molecules, including pharmaceuticals and agrochemicals, owing to the reactivity of its bromine substituent and the presence of the methyl group on the aromatic ring.

Organic Synthesis Intermediate
4-Bromotoluene is widely utilized as a key intermediate in the synthesis of various organic compounds. Its structure allows for further functionalization via reactions such as Grignard formation or Suzuki coupling, enabling the construction of complex molecular architectures.
Pharmaceutical Precursor
This compound acts as a precursor in the development of active pharmaceutical ingredients (APIs). The introduction of the 4-bromotoluene moiety can be a crucial step in the synthetic route towards novel therapeutic agents.
Agrochemical Development
In the agrochemical industry, 4-Bromotoluene is employed in the synthesis of pesticides and herbicides. Its incorporation into larger molecules can impart specific biological activities required for crop protection.
Material Science
The compound finds applications in material science, contributing to the synthesis of specialized polymers and organic electronic materials where its unique structural features are advantageous.
| Molecular weight | 171.03 |
|---|---|
| Linear formula | CH3C6H4Br |
| Assay | 98% |
| Boiling point | 184 °C(lit.) |
| Density | 1.39 g/mL at 25 °C(lit.) |
| Melting point | 26-29 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Flash point | 85 °C / 185 °F |
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-38-51/53 |
| Safety statements (S) | 28-61 |
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-Bromotoluene primarily used for?
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4-Bromotoluene is primarily used as an intermediate in organic synthesis, serving as a building block for pharmaceuticals, agrochemicals, and materials science applications.
What is the CAS number and molecular formula for 4-Bromotoluene?
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The CAS number for 4-Bromotoluene is 106-38-7, and its molecular formula is CH3C6H4Br.
What grade and purity does Tech Serve Solutions supply for 4-Bromotoluene?
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Tech Serve Solutions supplies 4-Bromotoluene with an assay of 98%. This product is suitable for research and general chemical synthesis; we do not represent it as USP, BP, or EP grade.
How should 4-Bromotoluene be handled safely?
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4-Bromotoluene is classified as harmful if swallowed and causes skin irritation. It is recommended to use a dust mask (N95), eyeshields, and gloves for safe handling. Avoid release to the environment, as it is toxic to aquatic life with long-lasting effects (H302, H315, H51/53).
Is 4-Bromotoluene available for international export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 4-Bromotoluene, and can accommodate international orders.
How can I request a quote or sample for 4-Bromotoluene?
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To request a quote or sample for 4-Bromotoluene, please contact our sales team through the website or by phone, providing your specific requirements.
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