4-氟苯溴化锌, 0.5 M 四氢呋喃溶液 - Names and Identifiers
4-氟苯溴化锌, 0.5 M 四氢呋喃溶液 - Physico-chemical Properties
Molecular Formula | C6H4BrFZn
|
Molar Mass | 240.39 |
Density | 0.992g/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 |
4-氟苯溴化锌, 0.5 M 四氢呋喃溶液 - 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 | - |
HS Code | 29319090 |
Hazard Note | Flammable |
Hazard Class | 4.3 |
4-氟苯溴化锌, 0.5 M 四氢呋喃溶液 - Introduction
(4-fluorobsyl) zinc(II) bromide is an organozinc compound with the chemical formula C6H4BrFZn. Its properties are as follows:
1. Appearance:(4-fluorobenzyl)zinc(II) bromide is a white to light yellow solid, usually in powder form.
2. Melting point: Its melting point is between 80-85°C.
3. Solubility:(4-fluorobenzyl)zinc(II) bromide is soluble in common organic solvents (such as ether, dimethyl sulfoxide, etc.).
4. Chemical activity: It is an effective organic zinc reagent and is widely used in organic synthesis.
Use:
(4-fluorobenzyl)zinc(II) bromide are commonly used in alkene and arene functionalization reactions in organic synthesis, such as electrophilic substitution reactions and substitution reactions. It has important application value in the construction of chemical bonds such as carbon-carbon bonds and carbon-oxygen bonds.
Preparation Method:
Generally, the method for preparing (4-fluorobenzyl)zinc(II) bromide is to first react 4-fluorobromobenzene with zinc powder in chlorinated alkane or ethanol.
Safety Information:
(4-fluorobenzyl)zinc(II) bromide is generally considered to be relatively safe for human body and environment. However, like many organozinc compounds, it should be handled and stored under conditions that follow laboratory safety rules. When using, avoid contact with skin and eyes, and ensure that the operation is carried out in a well-ventilated place.
Last Update:2024-04-10 22:29:15