4-nitro-4-aminostilbene-2,2-disulfonic acid

• Post Date:

  Apr 04,2018

• Expiry Date:

  Oct 01,2018

• Detailed Description:

  Cas No. :119-72-2

  Product name: 4-nitro-4-aminostilbene-2,2-disulfonic acid
  
  Trade name: ANSD acid; 401 monomer
  Structural formula:
  
  Chemical formula: C₁₄H₁₂N₂O₈S₂
  Molecular weight: 400

  Quality index:

  Item	Index
  (1)Appearance	orangetan cream or powder
  (2)Content(gross cream)%　　　　　≥	45.0
  (3)Dry goods content%　　≥	80.0
  (4)DSD acid content%　　 ≤	4.0
  (5)Binitro acid content%　 ≤	4.0
  (6)Characteristics	ecomposed before melting

  Main use:
  1. It is an important ;stilbene intermediate, can be deeply processed into 681 monomers
  2. In the synthesis of a series of direct dyes:
  Direct lightfast fluorescent yellow 7GL; 6GL; 5GL; 4GL; 3GL; 2GL;
  Direct Yellow DN-FR, Orange F3G; Yellow 3RLL, Green GND, DN-B, Direct Black DN-EX etc.

  Packing: Dry product: in 40kg plastic bag; dry product: in 25kg plastic bag or upon user's requests.

• CAS Registry Number:

  119-72-2

• Synonyms:

  ;4-Nitro-4-aminostilbene-2,2-disulfonic acid;5-amino-2-[2-(4-nitro-2-sulfophenyl)ethenyl]benzenesulfonic acid;2,2'-(E)-ethene-1,2-diylbis(5-nitrobenzenesulfonic acid);5-amino-2-[(E)-2-(4-nitro-2-sulfophenyl)ethenyl]benzenesulfonic acid;5-amino-2-[(E)-2-(4-nitro-2-sulfonatophenyl)ethenyl]benzenesulfonate;4-Nitro-4'-Aminostilbene-2,2'-Disulfonic Acid;

• Molecular Formula:

  C₁₄H₁₀N₂O₈S₂

• Molecular Weight:

  398.3689

• Molecular Structure:

  

• Company:

  Yanshi Dongyuan Chemical Co.,Ltd.     [ China ]        

• Contact:

  Xing Jinxia

• Tel:

  +86-379-67435819 +86-137836791

• Fax:

  +86-379-67436819

• Email:

  dy@dongyuanchem.com