Cosmetic Active Ingredients

Avobenzone

  • CAS No.70356-09-1
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

Avobenzone is a high-performance, oil-soluble UVA filter widely used in broad-spectrum sunscreen formulations for its exceptional photostability and skin safety profile.

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Product Technical Details

Product Overview

Avobenzone (CAS 70356-09-1) is a leading organic ultraviolet absorber specifically engineered to provide robust protection against the full spectrum of UVA radiation (320–400 nm). As a dibenzoylmethane derivative, it is highly valued in modern cosmetic science for its ability to absorb long-wave UVA rays that penetrate deep into the dermis, contributing significantly to photoaging and skin damage. Its oil-soluble nature ensures seamless integration into a wide range of emulsion-based and anhydrous sunscreen systems.

Specifications

Molecular FormulaC20H22O3
Molecular Weight310.39 g/mol
Melting Point81.0–86.0 °C
Assay (HPLC/GC)97.0–104.0%
AppearanceOff-white to yellowish crystalline powder
Loss on Drying≤ 0.50%
Individual Impurity≤ 3.0%
Total Impurities≤ 4.5%
Specific Extinction (E1%,1cm at 357 nm)1150–1180
Heavy Metals≤ 20 ppm
Arsenic≤ 2 ppm

Industrial Applications

Avobenzone is a critical active ingredient in premium sun care and daily-use skincare products requiring broad-spectrum UV protection. It is commonly formulated alongside photostabilizers such as octocrylene or Tinosorb S to enhance its stability under prolonged sunlight exposure. Beyond sunscreens, it is increasingly incorporated into anti-aging creams, moisturizers, and makeup products with SPF claims. Its regulatory approval by major global agencies—including the U.S. FDA (up to 3%), EU Commission, and ASEAN—makes it a globally compliant choice for international cosmetic brands.

  • Delivers effective UVA-I (340–400 nm) protection unmatched by many alternatives
  • Oil-soluble for easy formulation in water-resistant and elegant textures
  • Compliant with USP and international pharmacopeial standards
  • Suitable for sensitive skin when properly stabilized