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    | product Name | chromotropic acid disodium salt dihydrate |  
    | Synonyms | disodium 4,5-dihydroxynaphthalene-2,7-disulphonate; Mordantbrown; Mordant Brown 7; disodium 4,5-dihydroxynaphthalene-2,7-disulfonate |  
    | Molecular Formula | C10H6Na2O8S2 |  
    | Molecular Weight | 364.2594 |  
    | InChI | InChI=1/C10H8O8S2.2Na/c11-8-3-6(19(13,14)15)1-5-2-7(20(16,17)18)4-9(12)10(5)8;;/h1-4,11-12H,(H,13,14,15)(H,16,17,18);;/q;2*+1/p-2 |  
    | CAS Registry Number | 129-96-4 |  
    | EINECS | 204-972-9 |  
    | Molecular Structure |   |  
    | Hazard Symbols |  |  
    | Risk Codes |  |  
    | Safety Description |  |  |