4-Bromo-3-methylaniline
4-Bromo-3-methylaniline (CAS: 6933-10-4) is an organic compound with the formula BrC6H3(CH3)NH2 and a molecular weight of 186.05 g/mol. This chemical serves as a valuable intermediate and building block in organic synthesis. It is typically employed in the preparation of more complex molecules, including heterocyclic compounds. Available at a purity of 97%, it is suitable for various research and chemical manufacturing applications.
- IUPAC
- 4-Bromo-m-toluidine
- Synonyms
- 4-Bromo-m-toluidine

Organic Synthesis Intermediate
4-Bromo-3-methylaniline functions as a key building block in the synthesis of diverse organic compounds. Its structure allows for various chemical transformations, making it useful in the development of novel molecules.
Preparation of Heterocyclic Compounds
This aniline derivative has been utilised in the preparation of heterocyclic structures. For example, it was used in the synthesis of 1-(4-bromo-3-methylphenyl)pyrrolidin-2-one, demonstrating its utility in creating cyclic organic frameworks.
Research and Development
As a fine chemical, 4-Bromo-3-methylaniline is employed in research laboratories for exploring new synthetic routes and developing innovative chemical entities. Its specific substitution pattern offers unique reactivity.
| Molecular weight | 186.05 |
|---|---|
| Linear formula | BrC6H3(CH3)NH2 |
| Assay | 97% |
| Boiling point | 240 °C(lit.) |
| Application | 4-Bromo-3-methylaniline was used in the preparation of 1-(4-bromo-3-methylphenyl)pyrrolidin-2-one1. |
| Melting point | 80-82 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38 |
| Safety statements (S) | 26-37/39 |
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-Bromo-3-methylaniline primarily used for?
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4-Bromo-3-methylaniline is primarily used as an intermediate and building block in organic synthesis for preparing more complex organic molecules, including heterocyclic compounds.
What are the CAS number and chemical formula for 4-Bromo-3-methylaniline?
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The CAS number for 4-Bromo-3-methylaniline is 6933-10-4, and its chemical formula is BrC6H3(CH3)NH2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Bromo-3-methylaniline with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 4-Bromo-3-methylaniline be handled safely?
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Handle 4-Bromo-3-methylaniline with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Ensure adequate ventilation and avoid inhaling dust or vapours. It is classified as harmful if swallowed, in contact with skin, or if inhaled, and causes skin and eye irritation.
Is 4-Bromo-3-methylaniline exported by Tech Serve Solutions?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 4-Bromo-3-methylaniline.
How can I request a sample or quote for 4-Bromo-3-methylaniline?
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To request a sample or quote, please use the contact form on the Tech Serve Solutions website or call our sales department, referencing the product name and CAS number 6933-10-4.
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