Yanshi Dongyuan Chemical Co.,Ltd.

DNDS Acid

• Category :

  Organic chemicals and Derivatives

• 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;

• CAS NO :

  128-42-7

• EC NO :

  204-885-6

• Molecular Formula :

  C₁₄H₁₀N₂O₁₀S₂

• Molecular Weight :

  430.37

• Main Specifications :

• InChI :

  InChI=1/C14H10N2O10S2.Na/c17-15(18)11-5-3-9(13(7-11)27(21,22)23)1-2-10-4-6-12(16(19)20)8-14(10)28(24,25)26;/h1-8H,(H,21,22,23)(H,24,25,26);/q;+1/p-1

• Product description :

  

  Chemical name: 4,4-Dinitrostilbene-2,2-disulfonic acid
  Structural formula:  
                 
  Chemical formula: C₁₄H₁₀N₂O₁₀S₂
  Molecular weight: 430

  Quality index:

  Item	Index
  (1)Appearance	orange powder
  (2)Binitro acid content(gross dry product)%　　≥	80.0
  (3)binitrobenzyl compound (gross dry product )%　　　　≤	4.0
  (4)Other organic impurities(gross dry product )%　　　≤	2.0
  (5)Inorganic salt(gross dry product )%　　　　　　　≤	10.0
  (6)Water insolubles(gross dry product)%　　　　　　　≤	1.0

  Main use: it is an intermediate of dyes, can be used to manufacture DSD acid.

  Packing: 40kg plastic woven bag or upon clients' request.

• Molecular Structure :