4-Pentenylzinc bromide solution
4-Pentenylzinc bromide solution (CAS: 308796-04-5) is an organozinc halide supplied by Tech Serve Solutions. With a molecular weight of 214.42 g/mol and a concentration of 0.5 M in THF, this reagent is primarily utilised in organic synthesis. It serves as a valuable building block for introducing the 4-pentenyl group into various organic molecules through cross-coupling reactions and other transformations.

Organic Synthesis Reagent
4-Pentenylzinc bromide solution is employed in a variety of organic transformations, particularly in the formation of carbon-carbon bonds. Its utility extends to the synthesis of complex organic molecules and natural products.
Cross-Coupling Reactions
This organozinc reagent participates effectively in transition-metal-catalysed cross-coupling reactions, such as Negishi coupling, enabling the regioselective and stereoselective construction of intricate carbon frameworks.
Functionalisation of Organic Scaffolds
It serves as a versatile tool for introducing a functionalised five-carbon chain into diverse organic substrates, facilitating further chemical modifications and the creation of novel chemical entities.
| Molecular weight | 214.42 |
|---|---|
| Linear formula | H2C=CH(CH2)3ZnBr |
| Density | 0.954 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 2924 8(3) / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xn |
| Risk statements (R) | 11-14-19-36/37-40 |
| 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 4-Pentenylzinc bromide solution used for?
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4-Pentenylzinc bromide solution (CAS: 308796-04-5) is primarily used as a reagent in organic synthesis for carbon-carbon bond formation, particularly in cross-coupling reactions and for introducing the 4-pentenyl group into organic molecules.
What is the CAS number and formula for 4-Pentenylzinc bromide solution?
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The CAS number for 4-Pentenylzinc bromide solution is 308796-04-5, and its linear formula is H₂C=CH(CH₂)₃ZnBr.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Pentenylzinc bromide solution at a concentration of 0.5 M in THF. TSS does not represent this product as USP, BP, or EP grade; it is suitable for research and technical applications.
How should 4-Pentenylzinc bromide solution be handled safely?
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4-Pentenylzinc bromide solution 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 adequate ventilation, away from ignition sources, and wear appropriate personal protective equipment. May form explosive peroxides.
How is 4-Pentenylzinc bromide solution shipped and exported?
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4-Pentenylzinc bromide solution is shipped and exported under UN 2924, Hazard Class 8 (3), Packing Group II, indicating it is a corrosive liquid, flammable, n.o.s. It requires specialised handling and transportation in accordance with dangerous goods regulations.
How can I request a sample or quote for 4-Pentenylzinc bromide solution?
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To request a sample or obtain a quote for 4-Pentenylzinc bromide solution, please contact the Tech Serve Solutions sales department via our website or by telephone.
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