3-Bromo-4-methylbenzonitrile
3-Bromo-4-methylbenzonitrile (CAS: 42872-74-2), with the molecular formula C<sub>8</sub>H<sub>6</sub>BrN, is a valuable organic building block. This compound, weighing 196.04 g/mol, is primarily utilised in chemical synthesis. It serves as an intermediate in the development of more complex molecules, particularly within the pharmaceutical and fine chemical sectors. Its structure features a nitrile group and a bromine atom on a toluene backbone, offering versatile reactivity for organic chemists.

Organic Synthesis Intermediate
3-Bromo-4-methylbenzonitrile functions as a key intermediate in multi-step organic syntheses. Its functional groups allow for various chemical transformations, making it useful for constructing complex molecular frameworks.
Pharmaceutical Research
This compound is employed in the research and development of novel pharmaceutical agents. It can be incorporated into the synthesis pathways of potential drug candidates, contributing to the discovery of new therapeutic compounds.
Fine Chemical Production
It serves as a building block in the synthesis of various fine chemicals. Its specific structure is leveraged to create specialised chemical products for diverse industrial applications.
| Molecular weight | 196.04 |
|---|---|
| Linear formula | CH3C6H3(Br)CN |
| Assay | 97% |
| Melting point | 41-45 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H332Harmful if inhaled
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Flash point | >110 °C / >230 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22 |
| Safety statements (S) | 36 |
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-methylbenzonitrile used for?
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3-Bromo-4-methylbenzonitrile is used as a building block in organic synthesis, particularly in the development of pharmaceutical intermediates and fine chemicals.
What is the CAS number and chemical formula for 3-Bromo-4-methylbenzonitrile?
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The CAS number is 42872-74-2 and the chemical formula is C<sub>8</sub>H<sub>6</sub>BrN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Bromo-4-methylbenzonitrile with an assay of 97%. This product is intended for research and technical use and is not supplied as USP, BP, or EP grade.
How should 3-Bromo-4-methylbenzonitrile be handled?
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Handle 3-Bromo-4-methylbenzonitrile with appropriate personal protective equipment, including a dust mask (type N95 or equivalent), eyeshields, and gloves. Avoid breathing dust, fumes, gas, mist, vapours, or spray. Harmful if swallowed, in contact with skin, or if inhaled (H302-H312-H332).
Is 3-Bromo-4-methylbenzonitrile a controlled substance?
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Based on the provided data, there is no indication that 3-Bromo-4-methylbenzonitrile is a controlled substance.
How is 3-Bromo-4-methylbenzonitrile shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals. 3-Bromo-4-methylbenzonitrile is available for international shipping and export to meet global research and industrial needs.
How can I request a quote or sample of 3-Bromo-4-methylbenzonitrile?
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To request a quote or a sample of 3-Bromo-4-methylbenzonitrile, please contact our sales team through the provided channels on the Tech Serve Solutions website.
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