DNSD Acid (128-42-7)

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)%　　

≥ 66.0

(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.