isopentylzinc(II) broMide - Names and Identifiers
isopentylzinc(II) broMide - Physico-chemical Properties
Molecular Formula | C5H11BrZn
|
Molar Mass | 216.43 |
Density | 0.97g/mLat 25°C |
Flash Point | 1°F |
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 |
isopentylzinc(II) broMide - Risk and Safety
Risk Codes | R19 - May form explosive peroxides
R22 - Harmful if swallowed
R36/38 - Irritating to eyes and skin.
R40 - Limited evidence of a carcinogenic effect
R36/37 - Irritating to eyes and respiratory system.
R14 - Reacts violently with water
R11 - Highly Flammable
|
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.
S33 - Take precautionary measures against static discharges.
S36 - Wear suitable protective clothing.
S36/37 - Wear suitable protective clothing and gloves.
|
UN IDs | UN 3399 4.3/PG 2 |
WGK Germany | 1 |
Hazard Class | 4.3 |
isopentylzinc(II) broMide - Introduction
3-Methylbutylzinc bromide is an organic zinc compound with the chemical formula C5H11BrZn. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: Colorless to light yellow liquid.
-Density: Approximately 1.236 g/mL.
-Melting point: about -20 ℃.
-Boiling point: about 130 ℃.
-Solubility: Soluble in ether, carbon disulfide and benzene.
Use:
- 3-Methylbutylzinc bromide is an organometallic reagent, commonly used in organic synthesis reactions as an ethylenation reagent.
-In organic synthesis, 3-Methylbutylzinc bromide can be used to synthesize a variety of compounds, such as alcohols, ethers, aldehydes, ketones, etc.
Preparation Method:
3-Methylbutylzinc bromide is usually prepared by the following steps:
1. Methyl butanone reacts with bromine to form 3-bromobutanone.
2. under appropriate conditions, 3-bromobutanone and metal zinc reaction, generate 3-Methylbutylzinc bromide.
Safety Information:
- 3-Methylbutylzinc bromide is an organometallic reagent, which is harmful to human body and environment.
-Skin and eye contact should be avoided, if inadvertent contact, immediately rinse with plenty of water and seek medical assistance.
-Avoid inhaling aerosols during operation, and ensure that you operate in a well-ventilated place.
-Waste must be properly managed and disposed of in a suitable facility.
Last Update:2024-04-10 22:29:15