Overview
Diphenylmethane, also known as benzylbenzene, is an organic compound consisting of two phenyl groups attached to a single carbon atom. It is a versatile intermediate in organic synthesis, particularly in the production of dyes, pharmaceuticals, and perfumes. Its mild aromatic odor and stability make it a valuable component in various industrial applications.
Physical and Chemical Properties
Diphenylmethane is a colorless to pale yellow crystalline solid with a melting point of 25-26 °C and a boiling point of 264-265 °C. It has a density of 1.006 g/cm³ and is soluble in organic solvents like ethanol and ether, but only slightly soluble in water. The compound is stable under normal conditions but should be protected from prolonged exposure to light and heat to prevent degradation.
Main Applications
Diphenylmethane is primarily used as an intermediate in the synthesis of dyes, pharmaceuticals, and fragrances. It serves as a building block for more complex molecules, such as antihistamines and UV absorbers. Additionally, it is employed in the production of plasticizers and as a solvent in certain industrial processes.
Safety and Storage
Diphenylmethane should be handled with care to avoid inhalation, ingestion, or skin contact. Appropriate personal protective equipment (PPE), such as gloves and goggles, should be used. Store the compound in a cool, dry, well-ventilated area away from heat sources and open flames. Ensure containers are tightly sealed to prevent contamination and evaporation.
B2B Procurement Guide
When procuring diphenylmethane, verify the supplier's credentials and request a Certificate of Analysis (COA) to confirm purity and quality. The Safety Data Sheet (SDS) should also be reviewed to understand handling and storage requirements. Prices typically range from $10 to $20 per kg, depending on purity and order volume. Bulk purchases may offer cost savings.
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