2-Hydroxy-4-Methoxybenzophenone-5-Sulfonic Acid
Chemical Structural Formula
Specifications
| Testing Items | Specifications |
| Appearance | Off-white powder |
| Purity | Not less than 99.50% |
| Melting Point | Not less than 160.0℃ |
| Loss on Drying | Not more than 2.0% |
| pH Value | 1.20 ~ 2.20 |
| Color(Gardner) | Not more than 4.0 |
| Turbidity | Not more than 16.0NTU |
| Specific Extinction | At 285nm: Not less than 460 |
| At 325nm: Not less than 290 | |
| K Value | 46.0 ~ 50.0 |
| Heavy Metals | Not more than 5ppm |
Application
The ultraviolet absorber Benzophenone-4(UV-284) is a broad-spectrum ultraviolet absorber. It has the advantages of high absorption efficiency, non-toxic, no teratogenic side effects, and good light and thermal stability. It can absorb both UV-A and UV-B, which is a category I sunscreen approved by the US FDA. It is used frequently in the United States and Europe , and is widely used in sunscreen cosmetics such as sunscreen creams, creams, honey, lotions, and oils.
Storage & Packaging
UV absorber Benzophenone-4(UV-284) is non-toxic, non-flammable, non-explosive, non-corrosive, and has good storage stability. It is packed in cardboard drum lined with plastic bag, net weight 25kg/drum, and it can also be designed according to customer requirements.
Shelf Life
24 months if stored in unopened original containers, kept away from sunlight and moisture.
