3 5-DICHLORO-4-AMINOPYRIDINE（CAS# 228809-78-7)
| Hazard Symbols | Xn – Harmful |
| Risk Codes | R22 – Harmful if swallowed R37/38 – Irritating to respiratory system and skin. R41 – Risk of serious damage to eyes |
| Safety Description | S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S39 – Wear eye / face protection. |
| WGK Germany | 3 |
Introduction
3,5-dichloro-4-amino Pyridine (3,5-dichloro-4-amino Pyridine) is an organic compound with the chemical formula C5H4Cl2N2. It is a colorless solid with a weak ammonia aroma. The following is a detailed description of the properties, uses, preparation and safety information of the compound:
Nature:
-Appearance: Colorless solid
-Solubility: Soluble in ethanol, dimethyl ether and chloroform, insoluble in water
-Melting point: about 105-108 ° C
-Molecular weight: 162.01g/mol
Use:
-3,5-dichloro-4-amino Pyridine is an important intermediate compound and has a wide range of uses in organic synthesis.
-It is widely used in the synthesis of medicine, dyes and pesticides.
-3,5-dichloro-4-amino Pyridine can be used as a synthetic intermediate for pesticides, such as fungicides and insecticides.
Method:
-3,5-dichloro-4-amino Pyridine has many preparation methods and can be synthesized through various channels.
-The typical preparation method is amination-chlorination reaction, which is prepared by reacting pyridine with an aminating agent and a chlorinating agent.
-The specific experimental conditions can be adjusted according to different documents.
Safety Information:
-3,5-dichloro-4-amino Pyridine needs to be handled with care and following laboratory safe operating procedures.
-It is an irritating compound that may cause irritation to the eyes, skin and respiratory system.
-Wearing suitable personal protective equipment (such as glasses, gloves and protective clothing) is recommended for use.
-Disposal of waste shall comply with local codes and regulations.
