1-PROP-2-YN-1-YLPYRROLIDINE（CAS# 5799-76-8)
| UN IDs | UN 1993 3/PG III |
| Hazard Class | 3 |
| Packing Group | III |
Introduction
4-propyn-1-morpholine, also known as 1-methyl-4-ethynylmorpholine, is an organic compound. The following is an introduction to its nature, use, preparation method and safety information:
Quality:
- Appearance: 4-Proyn-1-morpholine is a colorless to pale yellow liquid.
- Solubility: It is less soluble in water and soluble in most organic solvents.
- Chemical properties:4-Propynyne-1-morpholine is a basic compound that acts as a nucleophile.
Use:
4-Proyn-1-morpholine has a wide range of applications:
- Organic synthesis: It can be used as an intermediate in the synthesis of important organic compounds and participates in various organic synthesis reactions, such as hydrogenation, acylation, substitution reaction, etc.
- Catalyst: 4-propynyl-1-morpholine can be used as a coordination reagent for metal-catalyzed reactions, such as cyclization of olefins, heteroatom catalytic reactions, etc.
- Others: It can also be used in electronic materials, solvents, surfactants, etc.
Method:
The preparation methods of 4-propyn-1-morpholine are mainly as follows:
- Acetylenylation: 1-morpholine is reacted with acrylonitrile under alkaline conditions to produce 4-propyn-1-morpholine.
- Lafa: Alkali metals and iodide are added to 1-morpholine, and water molecules are removed through a gas-phase reaction to generate 4-propynyl-1-morpholine.
Safety Information:
- 4-Proyn-1-morpholine is a flammable liquid and should be kept away from fire and high temperatures.
- Wear appropriate personal protective equipment such as glasses, gloves and protective clothing during use.
- Avoid inhaling its vapors or coming into contact with the skin.
- Please keep and store it properly, away from flammable materials and oxidizing agents, to avoid static electricity accumulation.
