Benzylzinc bromide
Benzylzinc bromide
CAS: 62673-31-8
Molecular Formula: C7H7BrZn
Benzylzinc bromide - Names and Identifiers
Benzylzinc bromide - Physico-chemical Properties
| Molecular Formula | C7H7BrZn |
| Molar Mass | 236.42 |
| Density | 0.978g/mLat 25°C |
| Flash Point | 1°F |
| Water Solubility | Reacts with water. |
| Exposure Limit | ACGIH: TWA 50 ppm; STEL 100 ppm (Skin)OSHA: TWA 200 ppm(590 mg/m3)NIOSH: IDLH 2000 ppm; TWA 200 ppm(590 mg/m3); STEL 250 ppm(735 mg/m3) |
| Storage Condition | 2-8°C |
| Sensitive | Air Sensitive |
Benzylzinc bromide - Risk and Safety
| Risk Codes | R11 - Highly Flammable R14 - Reacts violently with water R19 - May form explosive peroxides R34 - Causes burns R40 - Limited evidence of a carcinogenic effect R36/37 - Irritating to eyes and respiratory system. |
| Safety Description | S16 - Keep away from sources of ignition. 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. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37 - Wear suitable protective clothing and gloves. |
| UN IDs | UN 2056 3/PG 2 |
| WGK Germany | 1 |
| HS Code | 29319090 |
| Hazard Class | 4.3 |
Benzylzinc bromide - Introduction
Benzylzinc bromide(Benzylzinc bromide) is an organic compound with the chemical formula C7H7BrZn. Its nature is a colorless liquid with a special aromatic smell. Benzylzinc bromide are soluble in common organic solvents, such as ether and ethanol.
Benzylzinc bromide are commonly used in organic synthesis reactions. It is an important organic zinc reagent that can be used to introduce benzyl groups in chemical reactions. Since Benzylzinc bromide have nucleophilic substitution properties, they can undergo substitution reactions with electron-deficient compounds to generate new compounds.
The preparation method of Benzylzinc bromide is generally obtained by the reaction of benzyl bromide and metal zinc. First, benzyl bromide is added to an organic solvent under the protection of an inert gas, and then metal zinc is slowly added to obtain a Benzylzinc bromide after the reaction.
Safety precautions are required when using Benzylzinc bromide. It is an organometallic reagent with a certain degree of instability, susceptibility to moisture and oxidation by oxygen. Therefore, it should be stored and operated under the protection of inert gas. At the same time, avoid contact with strong oxidants, acids, alcohols and other substances to avoid violent reactions. Wear protective gloves, glasses and other personal protective equipment during operation, and operate in a well-ventilated laboratory.
To sum up, Benzylzinc bromide is an important organic zinc reagent, which can be widely used in organic synthesis reactions. Its preparation method is relatively simple, but it is necessary to pay attention to safety matters in operation.
Benzylzinc bromide are commonly used in organic synthesis reactions. It is an important organic zinc reagent that can be used to introduce benzyl groups in chemical reactions. Since Benzylzinc bromide have nucleophilic substitution properties, they can undergo substitution reactions with electron-deficient compounds to generate new compounds.
The preparation method of Benzylzinc bromide is generally obtained by the reaction of benzyl bromide and metal zinc. First, benzyl bromide is added to an organic solvent under the protection of an inert gas, and then metal zinc is slowly added to obtain a Benzylzinc bromide after the reaction.
Safety precautions are required when using Benzylzinc bromide. It is an organometallic reagent with a certain degree of instability, susceptibility to moisture and oxidation by oxygen. Therefore, it should be stored and operated under the protection of inert gas. At the same time, avoid contact with strong oxidants, acids, alcohols and other substances to avoid violent reactions. Wear protective gloves, glasses and other personal protective equipment during operation, and operate in a well-ventilated laboratory.
To sum up, Benzylzinc bromide is an important organic zinc reagent, which can be widely used in organic synthesis reactions. Its preparation method is relatively simple, but it is necessary to pay attention to safety matters in operation.
Last Update：2024-04-10 22:29:15
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