3-Butyn-2-ol（CAS# 2028-63-9)
Risk and Safety
| Risk Codes | R10 – Flammable R25 – Toxic if swallowed R36/38 – Irritating to eyes and skin. R36/37/38 – Irritating to eyes, respiratory system and skin. R24/25 - |
| Safety Description | S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S45 – In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37/39 – Wear suitable protective clothing, gloves and eye/face protection. S16 – Keep away from sources of ignition. |
| UN IDs | UN 2929 6.1/PG 2 |
| WGK Germany | 3 |
| RTECS | ES0709800 |
| FLUKA BRAND F CODES | 10 |
| TSCA | Yes |
| HS Code | 29052900 |
| Hazard Note | Irritant |
| Hazard Class | 6.1 |
| Packing Group | II |
Brief introduction
3-butyne-2-ol, also known as butynol, is an organic compound. The following is an introduction to its properties, uses, manufacturing methods and safety information:
Quality:
- Appearance: 3-butyn-2-ol is a colorless liquid.
- Solubility: It is soluble in anhydrous alcohols and ether, while its solubility in water is relatively low.
- Odor: 3-butyn-2-ol has a pungent odor.
Use:
- Chemical synthesis: it can be used as an intermediate in organic synthesis for the preparation of other organic compounds.
- Catalyst: 3-butyn-2-ol can be used as a catalyst for some catalyzed reactions.
- Solvent: Due to its good solubility and relatively low toxicity, it can be used as a solvent.
Method:
- 3-Butyn-2-ol can be prepared by the reaction of butyne and ether. The reaction is carried out in the presence of alcohol and is carried out at low temperatures.
- Another method of preparation is through the reaction of butyne and acetaldehyde. This reaction needs to be carried out under acidic conditions.
Safety Information:
- 3-Butyn-2-ol is a flammable liquid and should be kept away from open flames and high temperatures.
- Take precautions when using with protective glasses, including protective glasses and gloves.
- When in contact with skin or eyes, rinse immediately with plenty of water.
- Avoid inhaling its vapors and use it in a well-ventilated area.
- Waste disposal should comply with local environmental regulations.
