CYCLOPENTYLMAGNESIUM CHLORIDE(CAS#32916-51-1)
| Risk Codes | R12 – Extremely Flammable R14/15 - R19 – May form explosive peroxides R22 – Harmful if swallowed R34 – Causes burns R66 – Repeated exposure may cause skin dryness or cracking R67 – Vapors may cause drowsiness and dizziness R11 – Highly Flammable |
| Safety Description | S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 – Wear suitable protective clothing, gloves and eye/face protection. S43 – In case of fire use … (there follows the type of fire-fighting equipment to be used.) S45 – In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S16 – Keep away from sources of ignition. |
| UN IDs | UN 3399 4.3/PG 1 |
| WGK Germany | 2 |
| FLUKA BRAND F CODES | 3-10-21 |
| HS Code | 29319090 |
| Hazard Class | 8 |
| Packing Group | II |
Introduction
Cyclopentylmagnesium chloride is an organic compound with the chemical formula C5H9ClMg. It is a common organic magnesium reagent with a series of important properties and uses.
Nature:
1. Cyclopentylmagnesium chloride is a colorless or pale yellow liquid.
2. It is susceptible to moisture and is rapidly hydrolyzed and oxidized in the air.
3. It is stable under inert gas (such as nitrogen).
Use:
1. Cyclopentylmagnesium chloride can be used as a strong reducing agent and base in organic synthesis.
2. It can be used to construct Carbon-Carbon bond reactions, such as Grignard reactions, for the synthesis of various organic compounds.
3. It can be used to synthesize drugs, chemical reagents and fine chemicals.
Method:
The preparation of Cyclopentylmagnesium chloride is usually obtained by reacting cyclopentyl chloride with metal magnesium. The specific steps include: dissolving cyclopentyl chloride in dry anhydrous cyclohexane, and then gradually adding metal magnesium to the solution. The reaction is usually carried out at room temperature.
Safety Information:
1. Cyclopentylmagnesium chloride and its solution should be kept away from moisture and air to avoid hydrolysis and oxidation reactions.
2. In the operation of Cyclopentylmagnesium chloride, should wear appropriate protective gloves, glasses and laboratory coat, to avoid contact with the skin and eyes.
3. It is an organic magnesium reagent, which should be regarded as a flammable chemical and stored in a dry, well-ventilated place.







