DNST Acid

• 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:

  

• Company:

  Zhengzhou Meinl Chemical Co.,LTD.     [ China ]        

• Contact:

  Manager Duan

• Tel:

  0371-56871707

• Fax:

  0371-56871707

• Email:

  dqy@meinlchem.com