| CAS No.: | 76656-36-5 |
|---|---|
| Formula: | C15h12na2o11s2 |
| EINECS: | 278-520-4 |
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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
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 | 62.0-65.0ºC | 63ºC |
| 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
Stored in a sealed dark dry cool place
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