pent-4-yn-1-ol（CAS# 5390-04-5)
| 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. S37/39 – Wear suitable gloves and eye/face protection |
| UN IDs | 1987 |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 10 |
| HS Code | 29052900 |
| Hazard Class | 3.2 |
| Packing Group | III |
Introduction
4-Pentyny-1-ol, also known as hexynyl alcohol. The following is an introduction to the properties, uses, preparation methods and safety information of 4-pentynyn-1-ol:
Quality:
4-Pentoyn-1-ol is a colorless to yellowish liquid with a peculiar odor. It is an unstable compound that tends to polymerize or react on its own.
Use:
4-Pentyne-1-ol has the properties of an alkyne and can be used in the synthesis of other organic compounds. It is often used as an intermediate in organic synthesis and can be used to prepare ethers, esters, aldehydes and other compounds.
Method:
There are several ways to prepare 4-pentyn-1-ol. A common method is to react 1,2-dibromoethane with sodium ethanol to generate pentynylethanol, and then prepare 4-pentyn-1-ol through hydrogenation reaction.
Safety Information:
4-Pentoyn-1-ol is unstable and prone to self-reaction, and needs to be handled with care when handling. It is flammable and prone to explosive mixtures when exposed to open flames or high temperatures. Contact with the skin or eyes may cause inflammation and irritation, and personal protective measures such as gloves and goggles should be taken when doing so. Operate in a well-ventilated area and away from fire. If inhaled or ingested, seek medical attention immediately. Please follow the safe operating procedures for proper use.
