2-Formylbenzenesulfonic acid sodium salt,4,4'-Diaminostilbene-2,2'diasulfonic acid,4-Nitrotoluene-2-Sulphonic Acid,Disodium 4,4'-dinitrostilbene-2,2'-disulfonate,4,4'-bis(chloromethyl)-1,1'-biphenyl--Lion Chemical Corporation

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Disodium 4,4'-dinitrostilbene-2,2'-disulfonate

Chemical name:

Disodium 4,4'-dinitrostilbene-2,2'-disulfonate

Structural formula:

Molecular formula:

C₁₄H₈N₂O₁₀S₂Na₂

Molecular weight :

474.33

CAS number :

3709-43-1

Specification:

Appearance	Orange or yellow crystalline solid
Assay (Contents( 4,4'-dinitrostilbene-2,2'-disulfonic acid)%) %	≥60.0
Dinitro benzyl value(HPLC) %	≤ 0.5
Other organic impurities(HPLC)%	≤ 1.0
Contents of inorganic salt(On basis of total sample)%	≤3.5
Insoluble in water (On basis of total sample)%	≤1.0

Application:

As intermediate of DSD acid.