Benzophenone-3

Chemical Name: 2-Hydroxy-4-Methoxy Benzophenone
Molecular Formula: C14H12O3
Molecular Weight: 228.24
CAS No.: 131-57-7

Specification:
Appearance: White or Light yellow crystalline powder
Loss on drying: 0.2% max.
Assay: 99.0% min.
Heavy metals: 5 ppm max.
Melting point: 62.0-65.0C
Burnt Residue: 0.1 max
UV Absorbance Max @288 nm: 630 min.
UV Absorbance Max @325 nm: 410 min.
Total Aerobic Count: 100 CFU/g max
Total Leaf Mold: 300 CFU/g max
Package: 25kg cardboard drum or 20kg carton
Storage: Preserve in tight, light-resistent containers
Shelf Life: 2 Years

UV-light absorber series
They are kind of broad-spectrum ultraviolet absorber, owns characteristics such as: High absorption efficiency, innocuity, good stability to heat, light. As the type I sunscreen agent approved by FDA in the US, it can absorb UV-A and UV-B at the same time. It is widely used in the sunfast cream, sunfast milk, sunfast latex, sunfast oil etc.