Benzophenone-3
Chemical Name: 2-hydroxy-4-methoxy-benzophenone ( BENZOPHENONE-3/BP-3/UV-9 )
CAS No. : 131-57-7
EINECS No.: 205-031-5
Molecular Formula: C14H12NO3
Molecular Weight: 228.24
Structural Formula:
Solubility:Soluble in acetone, benzene, methanol, ethyl acetate, methyl ethyl ketone, and most organic solvents such as ethanol, insoluble in water.
Property Specification
Appearance White or Light yellow crystalline powder
Assay Min. 99.0%
Specific Extinction (E290) Min. 630
Melting point 62.0℃-65.0℃
Loss on drying Max. 0.2%
Heavy metals Max. 5ppm
Burnt Residue Max. 0.1
TotalAerobic Count Max. 100 CFU/g
Total Leaf Mold Max. 300 CFU/g
Applications:
Benzophenone-3 is a benzophenone type UV absorber. It is Compatible with many plastics. It is particularly recommended for using in cosmetics, it is also effective to protect PVC and unsaturated polyester resins.
1.Cosmetics: 0.1~10.0 wt%
2.PVC: 0.2~0.5 wt% based on polymer weight.
3.Unsaturated polyester: 0.2~0.5 wt% based on polymer weight.
4.Polyacrylate: 0.2~0.5wt% based on polymer weight.
Stability and Storage:
Benzophenone-3 can be safely handled without any irritation caused to the skin. BP-3 should be stored in a closed system, and be kept in a dry and dark place without any light exposure.
Package:25kg net cardboard drum.
Shelf life:24 months.