DSD acid|p-nitrotoluene-o-sulfonic acid|DNDS acid|ANSD acid-Luoyang Dongyuan Chemical Co.,Ltd.

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4,4-Dinitrostilbene-2,2-disulfonic acid

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.