2-Chloro-3 5-dibromopyridine（CAS# 40360-47-2)
| 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. S36/37/39 – Wear suitable protective clothing, gloves and eye/face protection. S37 – Wear suitable gloves. S37/39 – Wear suitable gloves and eye/face protection |
| Hazard Class | IRRITANT |
Introduction
2-Chloro-3,5-dibromopyridine is an organic compound with the chemical formula C5H2Br2ClN. The following is a description of its nature, use, formulation and safety information:
Nature:
- 2-Chloro-3,5-dibromopyridine is a solid, colorless to pale yellow crystals. It has a melting point of 61-63 degrees Celsius and a boiling point of 275-280 degrees Celsius.
-It has a strong solubility, soluble in most organic solvents, such as ethanol, dimethylformamide and dichloromethane.
Use:
- 2-Chloro-3,5-dibromopyridine is widely used in organic synthesis reactions as an important intermediate. It can be used in the synthesis of new drugs, pesticides and other organic compounds.
-It can also be used as a metal corrosion inhibitor and a precursor for optical materials.
Preparation Method:
- 2-Chloro-3,5-dibromopyridine can be prepared by reacting 3,5-dibromopyridine with a chlorinating agent. For example, dibromopyridine can be chlorinated using sulfoxide and chlorine under appropriate reaction conditions to give the product.
Safety Information:
- 2-Chloro-3,5-dibromopyridine is a toxic compound and care should be taken to avoid inhalation, contact with skin and ingestion. Wear appropriate personal protective equipment such as protective gloves, glasses and masks when using.
-When handling and storing 2-Chloro-3,5-dibromopyridine, follow the relevant safety operating procedures and ensure a well-ventilated operating environment.
-In case of accidental contact or inhalation, seek medical attention immediately away from the place of origin.
