Cyclopentylmagnesium bromide solution
Cyclopentylmagnesium bromide solution (CAS 33240-34-5) is a highly reactive organometallic compound, specifically a Grignard reagent. With the molecular formula C5H9MgBr and a molar mass of 173.33 g/mol, it is typically supplied as a 2.0 M solution in diethyl ether. This reagent is a vital tool in synthetic organic chemistry, frequently employed for the formation of carbon-carbon bonds and the introduction of the cyclopentyl group into various organic molecules.
Carbon-Carbon Bond Formation
As a Grignard reagent, cyclopentylmagnesium bromide readily reacts with electrophiles such as aldehydes, ketones, esters, and epoxides to form new carbon-carbon bonds. This is fundamental in constructing more complex organic structures.
Synthesis of Cyclopentyl-Containing Compounds
The reagent serves as a direct source for incorporating the cyclopentyl moiety into target molecules. This is valuable in the synthesis of pharmaceuticals, agrochemicals, and materials where this cyclic structure is a key feature.
Nucleophilic Addition Reactions
It participates in nucleophilic addition reactions with a wide range of carbonyl compounds and other unsaturated systems. This versatility makes it an indispensable reagent in multi-step synthetic pathways.
| Molecular weight | 173.33 |
|---|---|
| Linear formula | C5H9MgBr |
| Boiling point | 35 °C |
| Density | 0.996 g/mL at 25 °C |
| Concentration | 2.0 M in diethyl ether |
Hazard statements
- H224Extremely flammable liquid and vapour
- H250Catches fire spontaneously if exposed to air
- H260In contact with water releases flammable gases
- H302Harmful if swallowed
- H314Causes severe skin burns and eye damage
- H336May cause drowsiness or dizziness
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P222Do not allow contact with air
- P223Do not allow contact with water
- P231Handle under inert gas
- P370In case of fire
- P422
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US) |
|---|---|
| Flash point | -38 °C / -36.4 °F |
| Transport (UN / ADR) | UN 3399 4.3/PG 1 |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | F+,C |
| Risk statements (R) | 12-14-17-19-22-34-67 |
| Safety statements (S) | 16-26-36/37/39-45 |
| Supplemental hazards | May form explosive peroxides., Reacts violently with water. |
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 Cyclopentylmagnesium bromide solution used for?
+
Cyclopentylmagnesium bromide solution is primarily used in organic synthesis for the formation of carbon-carbon bonds and the introduction of the cyclopentyl group into organic molecules. It is a Grignard reagent and acts as a nucleophile in reactions with electrophiles.
What is the CAS number and formula for Cyclopentylmagnesium bromide solution?
+
The CAS number is 33240-34-5, and its molecular formula is C5H9MgBr.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Cyclopentylmagnesium bromide solution at a concentration of 2.0 M in diethyl ether. We do not represent this product as USP, BP, or EP grade.
How should Cyclopentylmagnesium bromide solution be handled?
+
This product is highly flammable and reacts violently with water, potentially forming explosive peroxides. Handle with extreme caution in a well-ventilated area, away from ignition sources, and use appropriate personal protective equipment including eyeshields, gloves, and a respirator. Store under inert atmosphere.
Is Cyclopentylmagnesium bromide solution shipped internationally?
+
Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including Cyclopentylmagnesium bromide solution, and can facilitate international shipments.
How can I request a sample or quote for Cyclopentylmagnesium bromide solution?
+
Please contact our sales department directly through our website or by phone to request a sample or a formal quotation for Cyclopentylmagnesium bromide solution.
▶ Related products
1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis
1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more
3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis
3-Methyl-1,5-pentanediol
Chemical Synthesis
3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis