3,4-Dichlorophenylmagnesium bromide solution
3,4-Dichlorophenylmagnesium bromide solution (CAS 79175-35-2), with the molecular formula Cl2C6H3MgBr, is a vital organometallic reagent. Supplied as a 0.5 M solution in THF, it offers controlled reactivity for organic synthesis. This Grignard reagent is primarily employed in the introduction of the 3,4-dichlorophenyl group into various organic molecules, facilitating the construction of complex chemical structures in research and development.
- Synonyms
- Cl2C6H3MgBr

Organometallic Synthesis
Serves as a key Grignard reagent for introducing the 3,4-dichlorophenyl moiety into organic compounds. It participates in nucleophilic addition and substitution reactions, enabling the formation of carbon-carbon bonds.
Pharmaceutical Intermediate Production
Utilised in the synthesis pathways of complex molecules, potentially serving as an intermediate in the development of active pharmaceutical ingredients (APIs). Its structure allows for tailored derivatisation.
Agrochemical Research
The 3,4-dichlorophenyl group is a common structural element in certain agrochemicals. This reagent can be employed in the research and development of new pesticides or herbicides.
Materials Science
Can be used in the synthesis of specialised organic materials where the incorporation of a dichlorinated aromatic ring is desired for specific electronic or physical properties.
| Molecular weight | 250.20 |
|---|---|
| Linear formula | Cl2C6H3MgBr |
| Density | 0.980 g/mL at 25 °C |
| Concentration | 0.5 M in THF |
| Storage temperature | 2-8°C |



Hazard statements
- H225Highly flammable liquid and vapour
- H319Causes serious eye irritation
- H335May cause respiratory irritation
- H351Suspected of causing cancer
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P281Use personal protective equipment as required
- P305IF IN EYES
| Flash point | -17 °C / 1.4 °F |
|---|---|
| Transport (UN / ADR) | UN 2056 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xn |
| Risk statements (R) | 11-19-36/37-40 |
| Safety statements (S) | 16-26-36/37 |
| 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 3,4-Dichlorophenylmagnesium bromide solution primarily used for?
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3,4-Dichlorophenylmagnesium bromide solution is primarily used as a Grignard reagent in organic synthesis to introduce the 3,4-dichlorophenyl group into molecules, finding applications in pharmaceutical, agrochemical, and materials science research.
What is the CAS number and formula for 3,4-Dichlorophenylmagnesium bromide solution?
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The CAS number is 79175-35-2 and the linear formula is Cl2C6H3MgBr.
What grade and purity does Tech Serve Solutions supply for 3,4-Dichlorophenylmagnesium bromide solution?
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Tech Serve Solutions supplies this reagent as a 0.5 M solution in THF. We do not represent it as USP, BP, or EP grade.
How should 3,4-Dichlorophenylmagnesium bromide solution be handled safely?
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This compound is a highly flammable liquid and vapour (H225), causes serious eye irritation (H319), and may cause respiratory irritation (H335). It is also suspected of causing cancer (H351). Handle with appropriate personal protective equipment in a well-ventilated area, away from ignition sources. It may form explosive peroxides; store under refrigeration and handle with care to prevent peroxide formation.
Is 3,4-Dichlorophenylmagnesium bromide solution eligible for international export?
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Yes, Tech Serve Solutions regularly exports this chemical globally. Please contact us for specific shipping and handling requirements.
How can I request a sample or a quote for 3,4-Dichlorophenylmagnesium bromide solution?
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You can request a sample or a quote by contacting our sales team directly through our website or by calling us. Please specify the quantity and intended use.
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