Diphenyl Sulfide

Basic Information of Diphenyl Sulfide

CAS No.:	139-66-2
EC No.:	205-371-4
Linear Formula:	C₆H₅SC₆H₅
Molecular Weight:	186.27
Odor:	Colorless to light yellow liquid.
Appearance:	Characteristic odor.
Melting Point:	-40 °C (lit.)
Boiling Point:	296 °C (lit.)
Density:	1.113 g/mL at 20 °C (lit.)
Solubility:	Immiscible with water. Soluble in most organic solvents such as alcohols, ethers, benzene, and chloroform.
Flash Point:	>230 °F
Thermal Stability:	Excellent thermal and oxidative stability, crucial for high-temperature applications.
Chemical Structure:

Our commitment to delivering high-purity Diphenyl Sulfide ensures a reliable and efficient component for your critical chemical processes, offering consistent quality for diverse industrial needs.

Primary Applications of Diphenyl Sulfide

Diphenyl Sulfide's unique combination of high boiling point, thermal stability, and chemical reactivity makes it an invaluable compound with diverse applications across several industries:

1. High Boiling Point Solvent:

   It is widely used as a high boiling point solvent in various industrial processes, particularly for reactions requiring elevated temperatures where common solvents would evaporate. It facilitates reactions involving high molecular weight compounds or those requiring extended heating periods.

2. Heat Transfer Fluid:

   Due to its excellent thermal stability and high boiling point, Diphenyl Sulfide is a crucial component in high-temperature heat transfer fluids. It is often blended with diphenyl ether to form eutectic mixtures that offer broad operating temperature ranges in industrial heating and cooling systems.

3. Chemical Intermediate:

   It serves as a versatile chemical intermediate in the synthesis of various specialty chemicals. Its reactive sulfur atom allows for further functionalization, leading to the production of sulfur-containing polymers, dyes, and other fine chemicals.

4. Pharmaceutical and Agrochemical Synthesis:

   Diphenyl Sulfide is utilized in the synthesis of certain pharmaceutical intermediates and active pharmaceutical ingredients (APIs), as well as in the production of some agrochemicals, where its specific chemical structure is advantageous.

5. Polymer Chemistry:

   It can be used as a building block or an additive in the synthesis of certain polymers to impart specific properties, such as enhanced thermal resistance or flame retardancy.

• Exceptional Purity & Consistent Quality: Our Diphenyl Sulfide is manufactured to stringent purity specifications, crucial for ensuring optimal performance in its various industrial applications, especially in sensitive heat transfer systems and chemical syntheses.

• Commitment to Quality & Safety: We adhere to the highest industry standards for quality management, safety, and environmental responsibility across all our operations, ensuring peace of mind for our clients.

Hazards Classification

• GHS Classification: Acute Toxicity (GHS06), Skin Corrosion/Irritation (GHS07), Environmental Hazard (GHS09)

• Hazard Statements: Harmful if swallowed or in contact with skin; causes skin irritation and serious eye irritation; toxic to aquatic life with long lasting effects.

• UN Number: Not assigned

• Hazard Class: Not applicable

• Packing Group: Not applicable