For professionals in the cosmetics and personal care industry, understanding the precise chemical profile of ingredients is paramount. Oxybenzone, identified by its CAS number 131-57-7, is a prime example of a compound whose properties dictate its functionality and application. As a benzophenone derivative, Oxybenzone presents as a pale yellow crystalline powder, often with a faint, rose-like odor. Its solubility characteristics are particularly noteworthy for formulators; it is readily soluble in most organic solvents, which facilitates its incorporation into various cosmetic bases, but it is practically insoluble in water. This oil-soluble nature makes it an ideal candidate for oil-in-water or water-in-oil emulsions commonly found in sunscreens and lotions.

The chemical structure of Oxybenzone, (2-hydroxy-4-methoxyphenyl)-phenylmethanone, is key to its performance as a UV filter. It efficiently absorbs ultraviolet radiation across a broad spectrum, specifically targeting the UVB range (290-320 nm) and shorter UVA wavelengths (320-400 nm). This absorption mechanism converts UV energy into heat, preventing it from penetrating the skin and causing damage. Its ability to enhance the photostability of other UV filters, such as avobenzone, is another significant advantage, ensuring that the sun protection factor (SPF) of a product remains effective over time. When sourcing Oxybenzone, manufacturers like NINGBO INNO PHARMCHEM CO.,LTD. prioritize high purity levels to guarantee optimal performance and safety in finished products.

Key specifications for Oxybenzone include its assay, typically above 97.0%, and limits on impurities like Benzophenone-1, burnt residue, and heavy metals. These parameters are crucial for regulatory compliance and product safety. The melting point, usually between 62-65°C, is also an important physical property for formulation and processing. The reliable supply of high-quality Oxybenzone is essential for brands that rely on its efficacy. NINGBO INNO PHARMCHEM CO.,LTD. understands these requirements and is committed to providing competitive pricing and professional technical support to aid clients in their formulation challenges.

While widely used, discussions surrounding Oxybenzone's environmental persistence and potential endocrine-disrupting properties continue. Formulators and consumers alike are increasingly aware of these aspects, leading to a growing demand for transparency and sustainable sourcing. NINGBO INNO PHARMCHEM CO.,LTD. aims to be a trusted partner in this landscape, offering products that meet rigorous quality standards and supporting a win-win business approach through reliable supply and expert consultation.

In summary, the chemical and physical properties of Oxybenzone make it a highly effective UV filter for cosmetic applications. A thorough understanding of these attributes, coupled with sourcing from reputable suppliers like NINGBO INNO PHARMCHEM CO.,LTD., enables the creation of safe and effective sun protection products that meet evolving consumer and regulatory expectations.