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DNST Acid

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  Post Date: Sep 18,2015
  Expiry Date: Mar 16,2016
  Detailed Description: Cas No. :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.

  CAS Registry Number:

128-42-7
  Synonyms: ;4,4-Dinitrostilbene-2,2-disulfonic acid;4,4'-Dinitrostilbene-2,2'-Disulfonic Acid;2,2'-ethene-1,2-diylbis(5-nitrobenzenesulfonic acid);sodium 5-nitro-2-[2-(4-nitro-2-sulfophenyl)ethenyl]benzenesulfonate;
  Molecular Formula: C14H10N2O10S2
  Molecular Weight: 430.37
  Molecular Structure: 128-42-7 4,4'-dinitrostilbene-2,2'-disulphonic acid

  Company: Zhengzhou Meinl Chemical Co.,LTD.     [ China ]        
  Contact: Manager Duan
  Tel: 0371-56871707
  Fax: 0371-56871707
  Email: dqy@meinlchem.com
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