What is Benzophenone-6?
Benzophenone-6, also known as BP-6 or sulisobenzone, is an organic compound belonging to the benzophenone class. It is primarily used as a sunscreen agent due to its ability to absorb ultraviolet (UV) radiation, thereby protecting the skin from harmful UV rays.
Chemical Structure and Properties
Chemical Formula: C14H12O6S
Molecular Weight: 308.31 g/mol
Appearance: White to pale yellow crystalline powder
Solubility: Slightly soluble in water; soluble in ethanol and other organic solvents
Mechanism of Action
Benzophenone-6 functions by absorbing UVB (280–320 nm) and some UVA (320–400 nm) radiation, converting it into less harmful energy (heat). This prevents the UV radiation from penetrating the skin and causing damage such as sunburn, premature aging, and increasing the risk of skin cancer.
Applications of Benzophenone-6
1. Personal Care Products
Sunscreen Formulations
Creams and Lotions: Used in sunscreen products to provide broad-spectrum UV protection.
Lip Balms: Incorporated into lip care products to protect the lips from UV damage.
Cosmetic Products: Added to various cosmetic formulations, such as foundations and moisturizers, to provide additional UV protection.
2. Industrial Applications
Plastics and Polymers
Coatings and Paints
Benefits of Benzophenone-6
Effective UV Protection: Provides broad-spectrum protection against both UVB and some UVA rays.
Versatile Use: Suitable for various formulations, including personal care products and industrial applications.
Stability: Enhances the stability and longevity of products exposed to UV radiation.
Side Effects and Safety
Skin Sensitivity: In some individuals, it may cause skin irritation or allergic reactions.
Environmental Concerns: Potential environmental impact on aquatic ecosystems, leading to restrictions in certain regions.
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