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AVB is a very effective oil-soluble UVA I absorber for a wide range of applications.
It demonstrates maximum absorption at 357 nm with a specific extinction of about 1100, and it has additional absorbing properties in the UVA II spectrum.
Applications
Avobenzone is a widely used UV-A absorber, along with recognized UV-B absorbers such as octyl methoxycinnamate, in everyday cosmetic formulations such as creams and lotions. AVB can also be used in sunscreen formulations, where the concentration of both filters is high enough to provide excellent protection by blocking UV-A radiation. It can also be used in various other applications such as:
In formulation of protective hair care preparations
As a viscosity stabilizer for gels based on polyacrylic acid when exposed to uv-radiation.
Technical specification
| Items | Specification |
|---|---|
| Appearance | White crystalline powder |
| Assay | 95.0-105.0% |
| Identification | A: infrared absorption 197K |
| B: ultraviolet absorption 197UAbsorptivity at 360nm do not differ by more than 3.0% | |
| Loss on drying | 0.5% max |
| Impurity | Any individual impurity: 3.0%max |
| The sum of all of the impurities: 4.5%max | |
| Residual Solvents | Methanol: 3000ppm max |
Packaging
Packaging is confirmed with the quotation.
On a small screen, scroll the technical table horizontally.
Published reference specifications. Confirm the current grade, SDS / TDS / COA, packaging and delivery terms with your quotation.