3-phenylprop-2-ynenitrile（CAS# 935-02-4)
| Hazard Symbols | T – Toxic |
| Risk Codes | 25 – Toxic if swallowed |
| Safety Description | 45 – In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 2811 6.1 / PGIII |
| WGK Germany | 3 |
| RTECS | UE0220000 |
Introduction
3-phenylprop-2-ynenitril is an organic compound with the chemical formula C9H7N. The following is a description of its nature, use, preparation and safety information:
Nature:
1. Appearance: 3-phenylprop-2-ynenitrile is a colorless to light yellow liquid.
2. Melting point: about -5°C.
3. Boiling point: about 220°C.
4. density: about 1.01 g/cm.
5. Solubility: 3-phenylprop-2-ynenitrile is soluble in most organic solvents, such as ethers, alcohols and ketones.
Use:
1. as an intermediate in organic synthesis: 3-phenylprop-2-ynenitrile can be used to synthesize other organic compounds, such as aromatic compounds, nitrile compounds, etc.
2. Material science: It can be used for polymer synthesis and functional modification to change the properties of polymers.
Method:
3-phenylprop-2-ynenitril is prepared by reacting a phenyl nitro compound with sodium cyanide. Specific steps include:
1. The phenyl nitro compound is reacted with sodium cyanide under alkaline conditions.
2. The 3-phenylprop-2-ynenitril produced during the reaction is obtained by extraction and distillation purification.
Safety Information:
1. 3-phenylprop-2-ynenitril should be operated in a well-ventilated place, avoiding inhalation of steam or contact with skin and eyes.
2. It may be irritating to the skin and eyes, so rinse with water immediately after contact.
3. Wear appropriate personal protective equipment such as goggles, gloves and lab coats when operating.
4. 3-phenylprop-2-ynenitril should be stored in a sealed container, away from open flames and high temperatures.
5. When disposing of waste, local disposal regulations should be followed.
