5-Hexyn-1-ol（CAS# 928-90-5)
| Hazard Symbols | Xi – Irritant |
| Risk Codes | 36/37/38 – Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 – Wear suitable protective clothing. |
| WGK Germany | 3 |
| HS Code | 29052900 |
| Packing Group | III |
Introduction
5-Hexyn-1-ol. The following is an introduction to the properties, uses, preparation methods and safety information of 5-hexyn-1-ol:
Quality:
- Appearance: Colorless liquid
- Solubility: soluble in alcohols and ether solvents, insoluble in water
Use:
- 5-Hexyn-1-ol can be used as a starting material for some organic synthesis and for the preparation of other compounds.
- In chemistry laboratories, it can be used as a solvent and catalyst in reaction processes.
Method:
The preparation method of 5-hexyn-1-ol comprises the following steps:
1. 1,5-Hexanediol is reacted with hydrogen bromide under alkaline conditions to produce the corresponding 1,5-hexanedibromide.
2. In a solvent such as acetonitrile, it reacts with sodium acetylene to form 5-hexyn-1-ol.
3. Through the appropriate separation and purification steps, a pure product is obtained.
Safety Information:
- 5-Hexyn-1-ol has a pungent odor and should be avoided by inhaling or touching the skin and eyes during handling.
- It is a flammable liquid and should be kept away from open flames and ignition sources.
- Wear protective eyewear, gloves, and laboratory goggles when using to ensure that you operate in a well-ventilated environment.
- Waste should be disposed of in accordance with local regulations.
