2-萘基溴化镁, 0.5 M 四氢呋喃溶液, J&KSEAL瓶 - Names and Identifiers
2-萘基溴化镁, 0.5 M 四氢呋喃溶液, J&KSEAL瓶 - Physico-chemical Properties
Molecular Formula | C10H7BrMg
|
Molar Mass | 231.37 |
Density | 0.951g/mLat 25°C |
Boling Point | 65°C |
Flash Point | 1°F |
Appearance | Liquid |
Color | Clear brown |
Storage Condition | 2-8°C |
Sensitive | Air & Moisture Sensitive |
2-萘基溴化镁, 0.5 M 四氢呋喃溶液, J&KSEAL瓶 - Risk and Safety
Risk Codes | R11 - Highly Flammable
R14 - Reacts violently with water
R19 - May form explosive peroxides
R34 - Causes burns
R12 - Extremely Flammable
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 2924 3/PG 2 |
WGK Germany | 1 |
HS Code | 29319090 |
Hazard Class | 3 |
2-萘基溴化镁, 0.5 M 四氢呋喃溶液, J&KSEAL瓶 - Introduction
2-napthylmagnesium bromide is a reagent commonly used in organic synthesis. Its chemical formula is C10H7BrMg, also often referred to as 2-NBMgBr. The following is a description of the nature, use, preparation and safety information of 2-napthylmagnesium bromide:
Nature:
1. Appearance: 2-napthylmagnesium bromide is a colorless crystalline solid.
2. Solubility: 2-napthylmagnesium bromide can be dissolved in anhydrous organic solvents.
Use:
1. Carbon-carbon bond formation: 2-napthylmagnesium bromide is an important Grignard reagent, which can react with halogenated hydrocarbons, acid esters and acid halides to form new carbon-carbon bonds. This reaction is widely used in organic synthesis, especially in the construction of carbon-carbon bond skeleton.
2. Potassium permanganate reduction: 2-napthylmanganese bromide is also commonly used to reduce potassium permanganate (KMnO4) to mno2. This reaction is often used in chemical laboratories to prepare high-purity MnO2.
Preparation Method:
There are generally two common ways to prepare 2-napthylmagnesium bromide:
1. Direct insertion method: 2-napthylmagnesium bromide can be obtained by reacting bromobenzene and magnesium in a solvent-free environment.
2. Grignard reaction method: 2-bromonaphthalene and magnesium are reacted by Grignard reaction to generate 2-Naphthylmagnesium bromide.
Safety Information:
1. 2-napthylmagnesium bromide is flammable and should be kept away from open flames and high temperatures.
2. Contact with 2-napthylmagnesium bromide may cause irritation to skin and eyes, and appropriate protective measures should be worn during operation.
3. May cause harm to the environment, should be reasonable use and proper disposal of waste. Attention should be paid to environmental protection and safety awareness during operation.
Last Update:2024-04-10 22:29:15