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    | product Name | 2-{4-[(E)-phenyldiazenyl]phenyl}hydrazinesulfonic acid |  
    | Synonyms |  |  
    | Molecular Formula | C12H12N4O3S |  
    | Molecular Weight | 292.3137 |  
    | InChI | InChI=1/C12H12N4O3S/c17-20(18,19)16-15-12-8-6-11(7-9-12)14-13-10-4-2-1-3-5-10/h1-9,15-16H,(H,17,18,19)/b14-13+ |  
    | CAS Registry Number | 6004-88-2 |  
    | Molecular Structure | ![6004-88-2 2-{4-[(E)-phenyldiazenyl]phenyl}hydrazinesulfonic acid](http://images-a.chemnet.com/suppliers/chembase/cas71/6004-88-2.png)  |  
    | Density | 1.42g/cm3 |  
    | Refractive index | 1.657 |  
    | Hazard Symbols |  |  
    | Risk Codes |  |  
    | Safety Description |  |  |