3-Methoxybenzyl bromide
3-Methoxybenzyl bromide (CAS 874-98-6), chemical formula CH3OC6H4CH2Br, is a key organic building block with a molecular weight of 201.06 g/mol. This compound is characterised by its role in organic synthesis, particularly within the realm of ethers and C8 compounds. It is primarily utilised in research and development for the synthesis of more complex molecules, serving as a valuable intermediate in chemical studies.
- IUPAC
- 1-Bromomethyl-3-methoxybenzene
- Synonyms
- 1-Bromomethyl-3-methoxybenzene

Organic Synthesis Intermediate
Serves as a crucial building block in the synthesis of various organic compounds. Its reactive benzylic bromide moiety allows for facile alkylation reactions, enabling the construction of carbon-carbon and carbon-heteroatom bonds.
Research and Development
Used in academic and industrial research laboratories for exploring new synthetic pathways and developing novel chemical entities. Its participation in studies, such as the diastereoselective alkylation of succinic acid derivatives, highlights its utility in advanced organic chemistry.
Fine Chemical Synthesis
Employed in the preparation of fine chemicals and specialty materials. The presence of the methoxy group offers opportunities for further functionalization or can influence the electronic properties of the target molecules.
| Molecular weight | 201.06 |
|---|---|
| Linear formula | CH3OC6H4CH2Br |
| Assay | 98% |
| Boiling point | 152 °C(lit.) |
| Density | 1.436 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.575(lit.) |
| Application | Used in a study of the diastereoselective alkylation of vicinal dianions of chiral succinic acid derivatives.1 |

Hazard statements
- H314Causes severe skin burns and eye damage
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 | 113 °C / 235.4 °F |
| Transport (UN / ADR) | UN 3265 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 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-Methoxybenzyl bromide used for?
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3-Methoxybenzyl bromide (CAS 874-98-6) is used as a building block in organic synthesis and in research and development for chemical studies, including the diastereoselective alkylation of succinic acid derivatives.
What are the CAS number and chemical formula for 3-Methoxybenzyl bromide?
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The CAS number for 3-Methoxybenzyl bromide is 874-98-6, and its chemical formula is CH3OC6H4CH2Br.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Methoxybenzyl bromide with an assay of 98%. This product is typically considered a technical or research grade, and TSS does not represent it as USP, BP, or EP grade.
How should 3-Methoxybenzyl bromide be handled safely?
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3-Methoxybenzyl bromide is classified as Danger (GHS05) and causes severe skin burns and eye damage (H314). Safe handling requires protective equipment such as faceshields, gloves, goggles, and appropriate respiratory protection. Always consult the Safety Data Sheet (SDS) for detailed handling procedures.
Is 3-Methoxybenzyl bromide packed and exported by TSS?
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Yes, Tech Serve Solutions, as a specialist global supplier and exporter of fine chemicals, packs and exports 3-Methoxybenzyl bromide.
How can I request a sample or quote for 3-Methoxybenzyl bromide?
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To request a sample or quote for 3-Methoxybenzyl bromide, please contact our sales team through the TSS website or by calling our dedicated customer service line.
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