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disodium 2,2′-dihydroxy-4,4′-dimethoxy-5,5′-disulfobenzophenone cas 76656-36-5

Chemical Name:Disodium 2,2′-dihydroxy-4,4′-dimethoxy-5,5′-disulfobenzophenone

CAS No.: 76656-36-5

Molecular Formula: C15H12Na2O11S2

Molecular Weight: 478.36

Appearance:Light yellow crystal powder

Category:

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:Disodium 2,2'-dihydroxy-4,4'-dimethoxy-5,5'-disulfobenzophenone Structure

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

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