3-Butenylzinc bromide solution - Names and Identifiers
3-Butenylzinc bromide solution - Physico-chemical Properties
Molecular Formula | C4H7BrZn
|
Molar Mass | 135.01 |
Flash Point | -21 °C |
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 |
3-Butenylzinc bromide solution - Risk and Safety
Risk Codes | R11 - Highly Flammable
R19 - May form explosive peroxides
R22 - Harmful if swallowed
R36/37 - Irritating to eyes and respiratory system.
R40 - Limited evidence of a carcinogenic effect
|
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 - Wear suitable protective clothing and gloves.
|
Hazard Class | 4.3 |
3-Butenylzinc bromide solution - Introduction
But-3-enylzinc bromide is an organozinc compound with the chemical formula C4H7BrZn. It is a colorless liquid, soluble in organic solvents such as ether and carbon disulfide.
But-3-enylzinc bromide has a wide range of applications, mainly for organic synthesis as an important reagent. It can be used as an electronic reagent, a nucleophile or a group transfer reagent in organic synthesis. It can react with other organic substances, such as ketones and aldehydes to form alcohols; and carboxylic acids to form esters. It may also participate in carbonylation reactions, reduction reactions, rearrangement reactions, and the like of organic olefins.
But-3-enylzinc bromide are typically prepared by reacting zinc bromide and 3-butenyl bromide. During the preparation process, attention should be paid to the use of clean glass instruments, anhydrous solvents and desiccants to avoid the interference of moisture and oxygen on the reaction.
When using But-3-enylzinc bromide, you need to pay attention to its safety. It is a flammable liquid and should be avoided from contact with open flames or high temperatures. Wear appropriate personal protective equipment such as chemical protective gloves and goggles during operation. In addition, it should be stored in a dry and well-ventilated place, and stored separately from oxidants, acids and other substances to avoid accidents.
Last Update:2024-04-10 22:29:15