Description
Disodium2,2′-dihydroxy-4,4′-dimethoxy-5,5′-disulfobenzophenone Details
Chemical Name:Disodium 2,2′-dihydroxy-4,4′-dimethoxy-5,5′-disulfobenzophenone
CAS No.: 76656-36-5
Molecular Formula: C15H12Na2O11S2
Molecular Weight: 478.36
MolecularStructure:
Appearance:Light yellow crystal powder
Disodium 2,2′-dihydroxy-4,4′-dimethoxy-5,5′-disulfobenzophenone Properties
Item
Specifications
Results
Appearance
Light yellow crystal powder
Conform
Melting point
62.0-65.0℃
63℃
Purity
≥99.0%
99.5%
UVabsorption coefficient (1%, 1cm)E288
≥630
640
UVabsorption coefficient (1%, 1cm)E325
≥410
500
Loss on drying
≤0.2％
0.1%
Gardner color
≤4.0
1.5%
Residue on ignition
≤ 0.1 %
0.02%
Heavy metal
≤5 ppm
5ppm
Disodium 2,2′-dihydroxy-4,4′-dimethoxy-5,5′-disulfobenzophenone Usage
New high-efficiency UV absorber for the plastics and cosmetics industry
Disodium 2,2′-dihydroxy-4,4′-dimethoxy-5,5′-disulfobenzophenone Packaging and Shipping
Packing: 25kg/drum
Disodium 2,2′-dihydroxy-4,4′-dimethoxy-5,5′-disulfobenzophenone Storage
Storedin a sealed dark drycool place
