5-Chloro-2-cyanopyridine（CAS# 89809-64-3)
| 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. |
| UN IDs | UN 3439 6.1/PG III |
| HS Code | 29333990 |
| Hazard Note | Toxic |
| Hazard Class | 6.1 |
| Packing Group | III |
Introduction
5-Chloro-2-cyanopyridine is an organic compound with the chemical formula C6H3ClN2. The following is a description of its nature, use, formulation and safety information:
Nature:
-Appearance: 5-Chloro-2-cyanopyridine is a colorless to pale yellow crystalline solid.
-Melting point: Its melting point is 85-87°C.
-Solubility: Good solubility in common organic solvents.
Use:
- 5-Chloro-2-cyanopyridine is often used as an intermediate compound in organic synthesis.
-It is an important raw material for the synthesis of compounds such as drugs, pesticides and dyes.
-It can also be used as a substrate for organic synthesis catalysts.
Preparation Method:
- 5-Chloro-2-cyanopyridine can be obtained by chlorinating 2-cyanopyridine.
-The reaction is usually carried out under alkaline conditions to improve the reaction efficiency.
-Generally, a reagent such as stannous chloride or antimony chloride is used as a chlorinating agent in the reaction.
Safety Information:
- 5-Chloro-2-cyanopyridine is irritating and should be rinsed with water immediately when in contact with skin or eyes.
-When operating, wear appropriate protective gloves and goggles to ensure safety.
-The compound should be kept away from fire and high temperature to prevent fire and explosion.
-It should be stored in a sealed container and away from oxidants and strong acids.
Please note that this is only a general introduction, specific use should also refer to the relevant chemical literature and safety data sheets.
