2 3-DIBROMO-5-CHLORO PYRIDINE (CAS# 137628-17-2)
Risk and Safety
| Risk Codes | R36/37/38 – Irritating to eyes, respiratory system and skin. R25 – Toxic if swallowed |
| Safety Description | S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37 – Wear suitable gloves. S45 – 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 |
| Hazard Class | IRRITANT |
2 3-DIBROMO-5-CHLORO PYRIDINE (CAS# 137628-17-2) introduction
2,3-dibromo-5-chloropyridine is an organic compound. The following is an introduction to the properties, uses, preparation methods, and safety information of the compound:
nature:
-Appearance: 2,3-dibromo-5-chloropyridine is a colorless to yellow solid.
-Solubility: It has a high solubility in organic solvents but a low solubility in water.
Purpose:
2,3-dibromo-5-chloropyridine has a wide range of applications in organic synthesis, mainly used in the following areas:
-As a photosensitizer, it can be applied in fields such as printing and photo production.
Manufacturing method:
The preparation method of 2,3-dibromo-5-chloropyridine can be carried out through the following steps:
Under appropriate conditions, react 2,3-dibromopyridine with phosphorus pentachloride to produce 2,3-dibromo-5-chloropyridine pentachloride.
Then, react pentachloride with sodium hydroxide or other alkaline solutions to obtain 2,3-dibromo-5-chloropyridine.
Security information:
-The use and operation of 2,3-dibromo-5-chloropyridine should be carried out in a well ventilated area to avoid prolonged exposure to its odor or dust.
-During the operation, appropriate protective equipment should be worn, including chemical protective gloves, goggles, and protective clothing.
-2,3-dibromo-5-chloropyridine belongs to organic bromides and has certain toxicity and irritability. It must be handled and stored properly to avoid contact with combustibles and high temperatures.
-When using and disposing of this compound, please follow the requirements of safety operating procedures and relevant laws and regulations.
