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Benzophenone-4 (Sulisobenzone)


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Part Number:SCR-BENZO4-01

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HS Code 3304100000
Description: Water-soluble UVA and UVB filter. Only short UVA (UVA-2, 290-360 nm) but not long UVA are filtered. Synonyms: Sulisobenzone, 1-phenol-4-sulfonic acid. Highly stable, does not degrade in sunlight but protects other UV blocking agents from UV-induced degradation. Benzophenone-4 is readily soluble in water, propylene glycol, glyerin, ethanol and isopropyl alcohol. Due to its high acidity (pH < 2.5 in a 1% solution), a neutralizing agent (e.g. triethanolamine) must be added to elevate the pH to >3.5. Yellow to beige powder.

CAS: 4065-45-6

INCI Name: Benzophenone-4

Properties: Water-soluble UVA & UVB filter. Used primrily as UVA filter. To be combined with other sunscreens (e.g. octocrylene, homosalate, ethylhexyl salicylate, OM-cinnamate) for effective UVB protection. Benzophenone-4 provides inadequate UVB protection when used alone. Does not penetrate the skin to a large degree, but enhances the ability of other ingredients to penetrate. Helps to stabilize UV sensitive formulations such as hair dyes, hair sprays and color enhanced formulations. It can offer protection of colorants against fading and help stabilize fragrances and active ingredients against oxidation.

Use: Incorporate into water phase (pH 1.2-2.2). Allowed use levels: USA 10% (when used alone; 5-10% when used in combination), Brazil 10%, Japan 10%, EU 5%. For external use only.

Applications: Sun care products, color cosmetics with sun protection, various cosmetics & fragrances for product protection.

Documents: SDS, Fact Sheet, Certificate of Analysis

Regulatory Information: Sunscreens are registered as API (Active Pharmaceutical Ingredient) or OTC-drug with the FDA. This means that, if you want to sell products containing a sunscreen, your facility must be registered with the FDA and operate under cGMP guidelines. Further information about the FDA regulation of sunscreens can be found here.

Used in Commercial Products:

Mandelic Serum 15 Percent   Hair System Kit for Fine Hair   Shining Weightless Amplifier
Brand: NuCelle   Brand: Nioxin   Brand: Prive

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