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    | product Name | 6,8-dianilinonaphthalene-1-sulphonic acid |  
    | Synonyms | 1-Naphthalenesulfonic acid, 6,8-bis(phenylamino)-; 6,8-Dianilino-1-naphthalenesulfonic acid; 6,8-Diphenylamino-1-naphthalenesulfonic acid; Diphenyl Epsilon Acid; Epsilon acid, diphenyl-; NSC 7225; 1-Naphthalenesulfonic acid, 6,8-dianilino- (8CI); 6,8-Dianilinonaphthalene-1-sulphonic acid; 6,8-bis(phenylamino)naphthalene-1-sulfonic acid |  
    | Molecular Formula | C22H18N2O3S |  
    | Molecular Weight | 390.4549 |  
    | InChI | InChI=1/C22H18N2O3S/c25-28(26,27)21-13-7-8-16-14-19(23-17-9-3-1-4-10-17)15-20(22(16)21)24-18-11-5-2-6-12-18/h1-15,23-24H,(H,25,26,27) |  
    | CAS Registry Number | 129-93-1 |  
    | EINECS | 204-970-8 |  
    | Molecular Structure |   |  
    | Density | 1.402g/cm3 |  
    | Refractive index | 1.732 |  
    | Hazard Symbols |  |  
    | Risk Codes |  |  
    | Safety Description |  |  |