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    | product Name | 8-p-toluidinonaphthalene-1-sulphonic acid |  
    | Synonyms | 1-Naphthalenesulfonic acid, 8-((4-methylphenyl)amino)-; 8-((4-Methylphenyl)amino)-1-naphthalenesulfonic acid; 8-p-Toluidino-1-naphthalenesulfonic acid; NSC 11233; Tolyl Peri acid; 1-Naphthalenesulfonic acid, 8-p-toluidino- (8CI); 8-p-Toluidinonaphthalene-1-sulphonic acid; 8-[(4-methylphenyl)amino]naphthalene-1-sulfonic acid |  
    | Molecular Formula | C17H15NO3S |  
    | Molecular Weight | 313.3709 |  
    | InChI | InChI=1/C17H15NO3S/c1-12-8-10-14(11-9-12)18-15-6-2-4-13-5-3-7-16(17(13)15)22(19,20)21/h2-11,18H,1H3,(H,19,20,21) |  
    | CAS Registry Number | 129-90-8 |  
    | EINECS | 204-968-7 |  
    | Molecular Structure |   |  
    | Density | 1.37g/cm3 |  
    | Refractive index | 1.692 |  
    | Hazard Symbols |  |  
    | Risk Codes |  |  
    | Safety Description |  |  |