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Cosmetics Ingredients
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Cosmetics Ingredients

BENZOPHENONE-4

CAS Number 4065-45-6
Chem/IUPAC Name: 5-Benzoyl-4-hydroxy-2-methoxybenzenesulfonic acid
EINECS/ELINCS No: 223-772-2
COSING REF No: 32143
BENZOPHENONE-4
Benzophenone-4 is a protective ingredient that works to keep the UVB rays away from the skin and hair. It is basically a sunscreen but since it is weak, it is made to work with other sunscreen filters for added protection. However, Benzophenone-4 is commonly used for other purposes such as extending the shelf lives of products and acting as a color protectant. This ingredient is also known by its other names like 1-phenol-4-sulfonic acid and sulisobenzone. The chemical formula of Benzophenone-4 is C14H12O6S.

Who supplies BENZOPHENONE-4 ?

Aako
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Clariant
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Kyowa Chemical Industry
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Uniproma Chemical
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Alfa Chemistry
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3V Sigma
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What is BENZOPHENONE-4 used for?

Benzophenone-4 is a common chemical compound that is used in a variety of cosmetic and skin care products. It can be found in products like shower gels, sunscreens, mascaras, shampoos, and cleansers.
  • Sun care: It is a sunscreen agent that protects the skin against harmful UVB rays. Since it is not very strong, it is often used with other sunscreen layers for this purpose. Similarly, Benzophenone-4 also protects the products from degradation due to UVB exposure
  • Cosmetic products: It is added to increase the shelf life of the products, as it is a photoprotectant. It is also a color protectant for the products that come in clear packages

Origin

Benzophenone-4 is a water-soluble ingredient that is made from 2-hydroxy benzophenone. In its raw form, Benzophenone-4 appears as a light beige or white crystalline powder that has a flowery odor.

What does BENZOPHENONE-4 do in a formulation?

  • Uv absorber
  • Uv filter

Safety profile

Benzophenone-4 is safe to be used in cosmetics and personal care products. However, it can be mildly allergic in certain skin types. Therefore, a patch test is recommended before full application. If used above the prescribed percentage, Benzophenone-4 can also be toxic and bioaccumulative, linking it to cancer. Lastly, this ingredient should be avoided during pregnancy and while breastfeeding.

BENZOPHENONE-4 Alternatives

DIETHYLAMINO HYDROXYBENZOYL HEXYL BENZOATE, BISETHYLHEXYLOXYPHENOL METHOXYPHENYL TRIAZINE

Technical profile

Property Values
Boiling Point 305°C
Melting Point 145°C
pH 1.2-2.2
Solubility Soluble in water
44

FORMULATIONS with BENZOPHENONE-4

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