DNSD Acid (128-42-7)
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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)% |
≥ 66.0 |
|
(3)binitrobenzyl compound |
≤ 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.