Benzophenone-3 (B3)
Benzophenone-3 (B3)
The chemical formula for benzophenone-3 (B3) is C14H12O3. It’s also known as oxybenzone.
Chemical formula C14H12O3
Molar mass 172.237 g·mol−1
Melting point 62.0-65.0℃
Loss on drying 0.2% max
HS Code 29143930
Technical Analysis
Specification Typical Values
Assay 99.0%min
Molecular Weight 228.24
CAS NO. 131-57-7
IUPAC Name 2-Hydroxy-4-methoxybenzophenone
Benzophenone-3 is a UV filter that’s used in cosmetics and sunscreens. It absorbs and dissipates harmful ultraviolet (UV) rays, particularly UVB and some UVA radiation.
Description
What is Benzophenone-3 used for?
Benzophenone-3 is also added to packaging and some consumer products, such as cosmetics and paints, to protect the products from sun damage. Benzophenone-3, often labeled as oxybenzone in sunscreen products, is a widely used chemical compound in cosmetics and sunscreens. Its chemical formula is C14H12O3. This organic UV filter serves as a sunblock agent, absorbing and dissipating harmful ultraviolet (UV) rays, particularly UVB and some UVA radiation.
- Skin care: The human health effects from skin exposure to low levels of BP-3 are unknown. Occasionally, wearing products containing BP-3 has resulted in a skin allergy or photo allergy, a skin reaction that occurs with exposure to sunlight. BP-3 has been shown to cause weak hormonal activity in laboratory animals.
Benzophenone-3 is synthesized through esterification, where 3-benzoylbenzoic acid reacts with phenol, forming benzophenone-3 benzyl ester. Subsequent hydrolysis breaks the ester bond, yielding the benzophenone-3 molecule. Purification processes remove impurities, resulting in a white or pale yellow crystalline powder used in the cosmetic industry.
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- Benzophenone-3 exhibits good photostability, meaning it remains effective when exposed to sunlight. It does not easily degrade or lose its UV protection properties, ensuring reliable and consistent sun protection over time.
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Benzophenone-3 helps protect the skin from sunburn and UV-induced damage, making it a common ingredient in sunscreens, lotions, and lip balms. Despite its effectiveness in shielding against sun damage, concerns about its potential hormone-disrupting properties have led to ongoing research and the exploration of alternative UV filters in the cosmetic industry.
Sihauli Chemicals Pvt. Ltd. has gained regard among the prominent manufacturers and exporters of the best-quality cosmetic raw materials. The offered products are composed using non-toxic and pure ingredients. Our offered products are highly used for their longer shelf life, accurate composition, and excellent purity.
Safety Profile of Benzophenone-3
Benzophenone-3has raised concerns about potential toxicity and environmental impact. While considered safe for most individuals when applied topically, some studies suggest it may have hormone-disrupting properties. It has also been found in water sources, impacting aquatic ecosystems. Consequently, some consumers and researchers advocate for alternative UV filters in sunscreen formulations. Moreover, if you have acne-prone skin, benzophenones could aggravate your skin and cause breakouts. Having an insect repellent in your sunscreen seems like a convenient time-saver, but it’s less-than-ideal for sun protection and overall health.
Benzophenone-3
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- Milestab 9
- Eusolex 4360
- Escalol 567
- KAHSCREEN BZ-3
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Benzophenone-3 Uses Application
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- Fragrances
- Shower products
- Sun-, face-, body- and lip care products
- A light stabilizer
- A UV absorber
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