Benzophenone

Benzophenone, also known as diphenyl ketone or benzoylbenzene, is an organic compound with the formula (C6H5)2CO, used as a UV filter in sunscreens and other applications, and is a photosensitizing agent. 

TECHNICAL SPECIFICATION::

• Appearance: White to off-white crystalline powder or flakes.
• Melting Point: 47-51 °C (lit.).
• Boiling Point: 305 °C (lit.).
• Density: 1.11 g/cm³.
• Solubility: Practically insoluble in water, but soluble in organic solvents like alcohol, acetone, ether, acetic acid, chloroform, and benzene.
• Refractive Index: 1.5893.
• Odor: Rose-like.
• Molecular Formula: C13H10O.
• Molecular Weight: 182.2179.
• CAS Registry Number: 119-61-9. 

Benzophenone, also known as biphenyl ketone, is a white, crystalline organic compound with a rose-like odor, and the simplest member of the Benzophenone class. It is a common building block in organic chemistry and is used in various applications, including sunscreen, perfumes, and as a photoinitiator.

Useful Area

PRECAUTION::

General Precautions:

• Avoid contact: Prevent skin, eye, and clothing contact with benzophenone. 
• Avoid inhalation: Do not breathe dust or fumes. 
• Avoid ingestion: Do not eat, drink, or smoke while handling benzophenone. 
• Prevent release: Do not allow benzophenone to enter drains, sewers, or waterways. 
• Store properly: Store in a cool, dry, well-ventilated area. 
• Keep away from ignition sources: Keep away from open flames, hot surfaces, and sources of ignition. 
• Use spark-proof tools and explosion-proof equipment. 

Personal Protective Equipment (PPE):

• Gloves: Wear appropriate protective gloves to prevent skin exposure. 
• Eye protection: Wear safety goggles or face protection. 
• Clothing: Wear protective clothing to prevent skin exposure. 
• Respiratory protection: Use a respiratory protective device against the effects of fumes/dust/aerosol. 
• Self-contained breathing apparatus: In certain situations, a self-contained breathing apparatus may be necessary. 

Handling and Disposal:

• Transfer to a disposal or recovery container: Use proper personal protective equipment when transferring benzophenone to a disposal or recovery container. 
• Dispose of properly: Dispose of contents/container in accordance with local/regional/national regulations. 
• Incineration disposal recommended: Incineration disposal is recommended. 
• Containers may still present chemical hazard when empty: Be aware that containers may still present a chemical hazard when empty. 

First Aid:

• Inhalation: If inhaled, remove the person to fresh air and seek medical attention. 
• Skin contact: Rinse and then wash skin with water and soap. 
• Eye contact: Rinse with plenty of water (remove contact lenses if easily possible). 
• Ingestion: If swallowed, seek medical attention immediately. 

Other Considerations:

• May cause cancer: Benzophenone may cause cancer according to some sources. 
• Harmful to aquatic life: Benzophenone is harmful to aquatic life with long-lasting effects. 
• May cause damage to organs: Prolonged or repeated exposure may cause damage to organs. 
• Endocrine disruption: Benzophenone and its derived chemicals may influence the endocrine system. 
• Use local exhaust or breathing protection: Use local exhaust or breathing protection.