Terephthalylidene Dicamphor Sulfonic Acid

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Technical profile of Terephthalylidene Dicamphor Sulfonic Acid, a high-purity raw chemical material supplied by Triveni Chemicals for industrial manufacturing and laboratory synthesis.

Terephthalylidene Dicamphor Sulfonic Acid is an organic UV filter commonly known as Ecamsule or Mexoryl SX, with the chemical formula C28H34O8S2 and molecular weight 580.0 g/mol. It appears as a pale yellow to yellow powder and is water-dispersible in suitable formulations. It is stable under normal storage conditions and designed for photostability.
In terms of uses and applications, Terephthalylidene Dicamphor Sulfonic Acid is widely used in the cosmetic and personal care industry as a broad-spectrum UVA sunscreen active. It helps protect skin from long-wave UVA radiation associated with photoaging and sun damage. It is commonly used in sunscreens, daily moisturizers, BB creams, anti-aging products, and sun-protection cosmetics. It is often combined with UVB filters to achieve balanced broad-spectrum protection. Additionally, it is valued for good photostability, compatibility in formulations, and effective UVA defense in premium skincare products.