Benzophenone-1
Chemical Name: 2, 4-Dihydroxy Benzophenone
Molecular Formula: C13H10O3
Molecular Weight: 214.22
CAS No.: 131-56-6

Specification:
Appearance: White or Light yellow crystalline powder
Assay: 99.0% min
Loss on drying: 0.2% max.
Melting point: 142C-146C
Specific Extinction (E290): 630 min.
Gardner color: 3.0 max.
pH: 6
Burnt Residue: 0.5 max
Heavy Metals: 5 ppm 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.