3,5-Dibromoanisole
3,5-Dibromoanisole (CAS 74137-36-3), with the molecular formula CH3OC6H3Br2 and a molecular weight of 265.93 g/mol, is a brominated aromatic ether. This compound serves as a valuable building block in organic synthesis. Its structure, featuring bromine atoms and a methoxy group on an aromatic ring, allows for diverse chemical transformations, making it useful in the development of more complex molecules for research and industrial applications.
- Synonyms
- 3,5-Dibromoanisole1,3-Dibromo-5-methoxybenzene5-Methoxy-1,3-dibromobenzene

Organic Synthesis Intermediate
3,5-Dibromoanisole is utilised as a key intermediate in the synthesis of various organic compounds. Its reactive bromine atoms can participate in cross-coupling reactions and other functional group transformations.
Pharmaceutical Research
This compound can be employed in the early stages of drug discovery and development as a precursor for novel pharmaceutical agents. Its structure is amenable to modifications for creating diverse chemical libraries.
Material Science
The unique electronic and structural properties of dibrominated aromatic compounds make them potential candidates for incorporation into advanced materials. Research may explore its use in polymers or functional organic materials.
| Molecular weight | 265.93 |
|---|---|
| Linear formula | CH3OC6H3Br2 |
| Assay | 97% |
| Melting point | 34-38 °C |

Hazard statements
- H301Toxic if swallowed
Precautionary statements
- P301IF SWALLOWED
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Flash point | >110 °C / >230 °F |
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25 |
| Safety statements (S) | 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 3,5-Dibromoanisole used for?
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3,5-Dibromoanisole (CAS 74137-36-3) is primarily used as a building block and intermediate in organic synthesis, particularly in pharmaceutical research and potentially in material science due to its chemical structure.
What are the CAS number and molecular formula for 3,5-Dibromoanisole?
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The CAS number for 3,5-Dibromoanisole is 74137-36-3, and its molecular formula is CH3OC6H3Br2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,5-Dibromoanisole with an assay of 97%. This product is not represented as USP, BP, or EP grade.
How should 3,5-Dibromoanisole be handled safely?
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3,5-Dibromoanisole is classified with GHS06 and the signal word Danger. It carries hazard statement H301 (Toxic if swallowed). Recommended personal protective equipment includes eyeshields, faceshields, gloves, and a type P2 respirator cartridge. Handle with appropriate caution to avoid exposure.
Is 3,5-Dibromoanisole a controlled substance?
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The provided data does not indicate that 3,5-Dibromoanisole is a controlled substance.
How is 3,5-Dibromoanisole shipped and exported?
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As a global supplier, Tech Serve Solutions exports chemicals like 3,5-Dibromoanisole. Shipping and handling adhere to international regulations for hazardous materials, indicated by UN 2811 classification.
How can I request a sample or quote for 3,5-Dibromoanisole?
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To request a sample or a quote for 3,5-Dibromoanisole, please contact our sales team through the website or via the provided contact information, specifying the required quantity.
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