4-Phenoxyphenylmagnesium bromide solution
4-Phenoxyphenylmagnesium bromide solution (CAS 21473-02-9) is an organometallic reagent with the linear formula C6H5OC6H4MgBr and a molecular weight of 273.41 g/mol. Supplied at a concentration of 0.5 M in THF, it is a valuable intermediate for introducing the 4-phenoxyphenyl group in organic synthesis. Its properties make it suitable for various chemical transformations, particularly in the development of complex molecules.

Organic Synthesis
Serves as a key Grignard reagent for carbon-carbon bond formation. It is utilized in the synthesis of complex organic molecules, including pharmaceuticals and advanced materials, by enabling the introduction of the 4-phenoxyphenyl moiety.
Intermediate for Aryl Compounds
Facilitates the preparation of diverse aryl-substituted compounds. Its reactivity allows for versatile coupling reactions, making it an important building block in medicinal chemistry and materials science research.
Reagent in Chemical Research
Employed in academic and industrial research laboratories for exploring novel synthetic pathways. Its specific reactivity profile supports the development of new chemical entities and the optimisation of existing synthetic routes.
| Molecular weight | 273.41 |
|---|---|
| Linear formula | C6H5OC6H4MgBr |
| Boiling point | 65 °C |
| Density | 0.968 g/mL at 25 °C |
| Concentration | 0.5 M in THF |
| Storage temperature | 2-8°C |


Hazard statements
- H319Causes serious eye irritation
- H335May cause respiratory irritation
- H351Suspected of causing cancer
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P281Use personal protective equipment as required
- P305IF IN EYES
| Transport (UN / ADR) | UN 2924 8(3) / PGII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 19-36/37-40 |
| Safety statements (S) | 26-36/37 |
| Supplemental hazards | May form explosive peroxides. |
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-Phenoxyphenylmagnesium bromide solution used for?
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4-Phenoxyphenylmagnesium bromide solution (CAS 21473-02-9) is primarily used as a Grignard reagent in organic synthesis for introducing the 4-phenoxyphenyl group into various organic molecules, serving as a key intermediate in the development of complex compounds.
What are the CAS number and chemical formula for this product?
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The CAS number for 4-Phenoxyphenylmagnesium bromide solution is 21473-02-9. The linear formula is C6H5OC6H4MgBr.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Phenoxyphenylmagnesium bromide solution at a concentration of 0.5 M in THF. TSS does not represent this product as USP/BP/EP or any other pharmacopoeia grade; it is supplied for research and development purposes.
What are the safety and handling considerations for this chemical?
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This product carries a Warning signal word and is labelled with H319 (Causes serious eye irritation), H335 (May cause respiratory irritation), and H351 (Suspected of causing cancer). It may also form explosive peroxides. Handle with appropriate personal protective equipment in a well-ventilated area, avoiding contact with eyes, skin, and clothing. Store at 2-8°C.
How is 4-Phenoxyphenylmagnesium bromide solution shipped and exported?
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4-Phenoxyphenylmagnesium bromide solution is shipped and exported according to international regulations for hazardous materials. Specific details regarding UN 2924, Packing Group II, and hazard class 8(3) apply.
How can I request a sample or a quote for this product?
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To request a sample or a quote for 4-Phenoxyphenylmagnesium bromide solution, please contact the Tech Serve Solutions sales team through our website or by phone, providing your specific requirements.
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