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

Inquiry
  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: 119-72-2 4-amino-4'-nitrostilbene-2,2-disulfonic acid

  Company: Yanshi Dongyuan Chemical Co.,Ltd.     [ China ]        
  Contact: Xing Jinxia
  Tel: +86-379-67435819 +86-137836791
  Fax: +86-379-67436819
  Email: dy@dongyuanchem.com
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