7401-98-1

7401-98-1 - Names and Identifiers

Name	2,4-dichloro-5-(methylsulfanyl)pyrimidine
Synonyms	2,4-dichloro-5-mercapto-pyrimidine 1,3-dichloro-4-(methylthio)pyrimidine 2,4-Dichloro-5-(methylthio)pyrimidine 2,4-dichloro-5-MethylsulfanylpyriMidine PyriMidine, 2,4-dichloro-5-(Methylthio)- 2,4-dichloro-5-(methylsulfanyl)pyrimidine 2,4-Dichloro-5-(methylsulphanyl)pyrimidine
CAS	7401-98-1
InChI	InChI=1/C5H4Cl2N2S/c1-10-3-2-8-5(7)9-4(3)6/h2H,1H3

7401-98-1 - Physico-chemical Properties

Molecular Formula	C5H4Cl2N2S
Molar Mass	195.07
Density	1.51±0.1 g/cm3(Predicted)
Boling Point	282.7±25.0 °C(Predicted)
Flash Point	124.8°C
Vapor Presure	0.00566mmHg at 25°C
pKa	-3.19±0.29(Predicted)
Storage Condition	under inert gas (nitrogen or Argon) at 2-8°C
Refractive Index	1.611

7401-98-1 - Introduction

2,4-dichloro-5-(methylsulfanyl)pyrimidine is an organic compound whose chemical formula is C5H3Cl2N3S. The following is a description of the properties, uses, preparation and safety information of the compound:

Nature:
-Appearance: 2,4-dichloro-5-(methylsulfanyl) is pyrimidine as a colorless to nearly colorless solid.
-Solubility: It has good solubility in common organic solvents.
-Melting point: about 120-124°C.

Use:
- 2,4-dichloro-5-(methylsulfanyl)pyrimidine has a wide range of applications in the field of pesticides. It is commonly used as a synthetic intermediate for insecticides and fungicides.
-It can also be used to prepare other organic compounds in medicines and chemicals as an important starting material.

Preparation Method: The preparation of
- 2,4-dichloro-5-(methylsulfanyl)pyrimidine is usually carried out by the following steps:
1. Dissolve 5-methylthiopyrimidine and chloroacetyl chloride in an appropriate organic solvent.
2. Add dichloromethane and trichloroboric acid to the solution.
3. The reaction is carried out at a lower temperature, usually requiring stirring and magnetic heating.
4. After completion of the reaction, the target product is extracted by filtration or crystallization.

Safety Information:
- 2,4-dichloro-5-(methylsulfanyl)pyrimidine is an organic compound that may be toxic to humans.
-When using or handling the compound, follow strict safety procedures and wear personal protective equipment such as protective gloves, glasses and masks.
-When storing the compound, it should be placed in a sealed container, away from ignition, sparks and high temperature.
- 2,4-dichloro-5-(methylsulfanyl)pyrimidine must be disposed of in accordance with local laws and regulations and must not be dumped or discharged into the environment.

Last Update：2024-04-09 02:00:47