2 4-Dichloropyrimidine（CAS# 3934-20-1)
| 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 – Wear suitable protective clothing. S28A - |
| UN IDs | 1759 |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29335990 |
| Hazard Class | 8 |
| Packing Group | III |
Introduction
2,4-Dichloropyrimidine is an organic compound. The following is an introduction to the properties, uses, preparation methods and safety information of 2,4-dichloropyrimidine:
Quality:
- 2,4-Dichloropyrimidine is a colorless crystal with a pungent odor.
- It has low solubility in water and higher solubility in organic solvents.
Use:
- 2,4-Dichloropyrimidine is a commonly used pesticide to control weeds in crops.
Method:
- 2,4-Dichloropyrimidine can be prepared by reacting pyrimidine with chlorine gas. Dissolve pyrimidines in ferrous chloride and heat to the appropriate temperature. Then, the chlorination reaction is carried out by introducing chlorine gas into the reaction system. The target product is obtained through crystallization and purification steps.
Safety Information:
- 2,4-Dichloropyrimidine is an irritating substance that may have an irritating effect on the eyes, skin, and respiratory system.
- When using 2,4-dichloropyrimidine, wear appropriate protective gloves, glasses, and masks to ensure good ventilation.
- Immediately after exposure to 2,4-dichloropyrimidine, wash the affected area with plenty of water and seek medical attention promptly.
- During storage and handling, contact with oxidants and strong acids should be avoided to avoid dangerous reactions.
