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Chemical name: 4,4-Dinitrostilbene-2,2-disulfonic acid
Structural formula: 
               
Chemical formula: C14H10N2O10S2
Molecular weight: 430
CAS NO.:128-42-7
Quality index:

Item Index
(1)Appearance orange powder
(2)Binitro acid content(gross dry product)   ≥ 65.0%
(3)binitrobenzyl compound
(gross dry product )    
≤ 0.5%
(4)Other organic impurities(gross dry product )   ≤ 2.0%
(5)Inorganic salt(gross dry product )        ≤ 2.0%
(6)Water insolubles(gross dry product)       ≤ 1.0%

Main use: it is an intermediate of dyes.
Packing: 25kg plastic woven bag.