For procurement specialists and R&D scientists in the chemical industry, precise technical specifications are non-negotiable when selecting raw materials and intermediates. Chloromethyl 4-Chlorophenyl Sulfide (CAS: 7205-90-5) is a prime example of such a compound, where adherence to detailed specifications ensures its efficacy in downstream synthesis, particularly in agrochemical production. As a trusted supplier, we provide comprehensive technical data for our high-purity Chloromethyl 4-Chlorophenyl Sulfide.

Understanding the Key Specifications:

The value of Chloromethyl 4-Chlorophenyl Sulfide in industrial applications is defined by its quantifiable properties. These parameters are critical for process design, quality control, and ensuring the successful outcome of synthesis reactions.

  • Chemical Name: Chloromethyl 4-Chlorophenyl Sulfide
  • Synonyms: 1-chloro-4-(chloromethylsulfanyl)benzene, Chloromethyl 4-chlorophenyl sulphide, Thiophenol, p-chloro-S-chloromethyl, p-Chlorfenyl-chlormethylsulfid, 4-chlorophenylthio-methyl chloride
  • CAS Number: 7205-90-5
  • Appearance: Colorless to light yellow liquid. This visual characteristic is often the first indicator of product quality.
  • Assay (Purity): ≥98.0%. This is a critical specification, ensuring minimal presence of impurities that could interfere with synthesis or affect the final product’s performance. For agrochemical intermediates, high purity is paramount.
  • Molecular Formula: C₇H₆Cl₂S
  • Molecular Weight: 193.094 g/mol
  • Boiling Point: 261.9 ± 0.0 °C at 760 mmHg. This high boiling point indicates the compound’s relative stability and low volatility under standard industrial processing conditions.
  • Density: 1.3 ± 0.1 g/cm³ at 25 °C. Density is vital for volumetric calculations in chemical processing and handling.
  • Flash Point: 103.2 ± 20.3 °C. This safety parameter is important for assessing handling and storage requirements, indicating the temperature at which vapors can ignite.
  • Vapor Pressure: 0.0 ± 0.5 mmHg at 25 °C. A low vapor pressure suggests minimal evaporation at room temperature, simplifying handling and storage.
  • Index of Refraction: 1.601. This optical property can be used for quick identification and quality checks.

Application and Sourcing Considerations

These specifications highlight Chloromethyl 4-Chlorophenyl Sulfide’s suitability as a robust intermediate, particularly in the synthesis of agrochemicals such as Carbophenothion. When sourcing this chemical, particularly from manufacturers in China, it is essential to verify that these specifications are met and that a Certificate of Analysis (CoA) is provided. Understanding these technical details empowers procurement managers and chemical engineers to make informed decisions, ensuring the quality and reliability of their production processes.