3-Methylbenzyl bromide
3-Methylbenzyl bromide (CAS: 620-13-3), with the chemical formula CH3C6H4CH2Br and a molecular weight of 185.06 g/mol, is a halogenated organic compound. It serves as a valuable intermediate and building block in various chemical syntheses. Its applications span organic synthesis, particularly in the preparation of more complex molecules and pharmaceuticals. This compound is supplied by Tech Serve Solutions for research and development purposes.
- IUPAC
- α-Bromo-m-xylene
- Synonyms
- α-Bromo-m-xylene

Organic Synthesis Intermediate
3-Methylbenzyl bromide is frequently employed as an alkylating agent in organic synthesis. It allows for the introduction of the 3-methylbenzyl group into various organic structures, facilitating the construction of complex molecules.
Pharmaceutical Building Block
This compound can be utilised in the synthesis of active pharmaceutical ingredients (APIs) and their precursors. Its specific structure makes it suitable for building core molecular frameworks in drug discovery and development.
Reagent in Chemical Research
As a functionalised aromatic halide, 3-methylbenzyl bromide is a useful reagent for academic and industrial research laboratories exploring new synthetic methodologies or novel compound preparation.
| Molecular weight | 185.06 |
|---|---|
| Linear formula | CH3C6H4CH2Br |
| Assay | 96% |
| Boiling point | 185 °C/340 mmHg(lit.) |
| Density | 1.37 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.566(lit.) |


Hazard statements
- H302Harmful if swallowed
- H314Causes severe skin burns and eye damage
- H332Harmful if inhaled
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 82 °C / 179.6 °F |
| Transport (UN / ADR) | UN 1701 6.1 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 20/22-34 |
| Safety statements (S) | 7/9-26-27-36/37/39-45 |
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-Methylbenzyl bromide used for?
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3-Methylbenzyl bromide (CAS: 620-13-3) is primarily used as an intermediate and building block in organic synthesis and pharmaceutical research.
What is the CAS number and chemical formula for 3-Methylbenzyl bromide?
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The CAS number is 620-13-3, and the chemical formula is CH3C6H4CH2Br.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Methylbenzyl bromide with an assay of 96%. This is a technical grade suitable for research and general chemical synthesis; it is not represented as USP, BP, or EP grade.
How should 3-Methylbenzyl bromide be handled safely?
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3-Methylbenzyl bromide is classified as a Danger. It is harmful if swallowed and causes severe skin burns and eye damage, and can be harmful if inhaled. Always wear appropriate personal protective equipment, including gloves, eye protection, and respiratory protection, and handle in a well-ventilated area. Refer to the Safety Data Sheet for full handling and emergency procedures.
How is 3-Methylbenzyl bromide shipped and exported?
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3-Methylbenzyl bromide is shipped and exported in compliance with regulations for hazardous materials. It is classified under UN 1701, Hazard Class 6.1, Packing Group II. TSS ensures all shipments meet international export standards.
How can I request a sample or quote for 3-Methylbenzyl bromide?
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To request a sample or a quotation, please contact our sales department through the website or direct email, providing your required quantity and shipping details.
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