Qzuhou Ebright Chemicals Co.,Ltd



  • INCI Name:          Butyl methoxydibenzoyl methane
  • Chemical Name: 1-[4-(1,1-Dimethylethyl)phenyl]-3-(4-methoxyphenyl)propane-1,3-dione
  • CAS No:              70356-09-1 

Avobenzone, also known as butyl methoxydibenzoyl methane, belongs to the benzophenone ultraviolet absorber, also a very important organic synthesis intermediate.It is is a highly effective broad-spectrum oil-soluble UVA filter, which can block the full band (320~400nm) of UVA. Compounded with other UVB sunscreens, can provide all UVA and UVB protection, used to prevent photo-induced skin cancer.

Butyl Methoxydibenzoylmethane is used in the creation of sun protection products. When this ingredient is used in sun protection products in the US, it will be listed on the label as Avobenzone. When applied to the skin, avobenzone blocks UV rays. By absorbing UV rays, it can also be used to shield cosmetics and personal care items from deterioration. Long-term use can effectively reduce wrinkles, stains, rough skin and other problems, and can prevent skin cancer. It is mainly used in cosmetics sunscreen, sunscreen and other products, and can also be used as a stabilizer to prevent photolysis of cosmetics and perfume.

It is globally the only available chemical sunscreen that provides proper UV-A protection. This makes Butyl Methoxydibenzoylmethane the gold standard of UV-A protection. It is approved for use in sun care preparations at a maximum concentration of 3% in America and a maximum of 5% in Europe.

Uses & Applications

Personal care

Avobenzone, butyl methoxydibenzoyl methane, finds application in formulating hair care preparations, make up, creams, lotions, hand cream, face cream, moisturizing creams, anti-aging preparations and suncare products.

Recommended applications are as follows:

  • Decorative cosmetics/Make-up
  • Hair care (Shampoos, Conditioners & Styling)
  • Hand creams & Lotions
  • Anti-Ageing preparations
  • Moisturizing products (creams & lotions)
  • Sun care (Sun protection, After-sun & Self-tanning)

Product Details






White or pale yellow crystalline powder


A: Infrared Absorption 197K


B: Ultraviolet Absorption 197U

Absorptivities at 360nm do not differ by more than 3.0%

Loss on drying

0.5% max

Assay (GC)  


Impurity (GC)

Individual impurity: 3.0% max


Total impurity: 4.5% max

Residual solvents

Methanol: 3000ppm max

Shelf Life

24 months

Download Data Sheet

Technical Data Sheet –Avobenzone

Material Safety Data Sheet– Avobenzone

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