• Ms.susan zhang
    Tel: 86-311-87713916

  • Mobile:13932170695
  • Tel:86-311-87713916
  • Fax:86-311-87718185
  • URL:http://www.chenghuichem.com
  • Province/state:Hebei
  • City:Shjiazhuang
  • Street:no.368 youyi north avenue
  • MaxCard:
Home > Products >  favorable price of 4,4'-Diamino-2,2'-stilbenedisulfonic acid

favorable price of 4,4'-Diamino-2,2'-stilbenedisulfonic acid CAS NO.81-11-8

  • msdsMSDS/COA Download

  • FOB Price: USD 6500 /Metric Ton Get Latest Price
  • Min.Order: 2 Metric Ton
  • Payment Terms: L/C,T/T
  • Available Specifications:

    top quality(12-100)Metric Ton

  • Product Details


  • 2,2'-(1,2-Ethylenediyl)bis(5-aminobenzenesulfonic acid);
  • DSD Acid
  • 2,2'-ethene-1,2-diylbis(5-aminobenzenesulfonic acid)

Quick Details

  • ProName: favorable price of 4,4'-Diamino-2,2'-...
  • CasNo: 81-11-8
  • Molecular Formula: C14H14N2O6S2
  • Appearance: Light yellow powder/light yellow cream
  • Application: In the manufacture of fluorescent brig...
  • DeliveryTime: As discussed
  • PackAge: in 25kg woven bags or upon clients' re...
  • Port: china main port
  • ProductionCapacity: 5000 Metric Ton/Year
  • Purity: 95.0%MIN
  • Storage: in dry place
  • Transportation: by vessel
  • LimitNum: 2 Metric Ton
  • Grade: Industrial Grade
  • Purity: 95% min


1.  Favorable price of DSD Acid

2. Long history of supplying 

3. Having a nice  Sewage treatment Systems  


SJZ Chenghui Chemical Co., Ltd. is located in Shijiazhuang, the capital of Hebei Province, 270km away from the south of Beijing. We are mainly specializing in manufacturing, import and export of chemical products. Our major businesses are:
1. Sulfanilic acid, we have been mainly engaging in manufacturering and sale in Sulfanilic acid for a more than 20 years, we are the earliest and largest producer in China, and have been selling our product to many areas in the world. 
2. Optical Brightener & Optical brightener intermediates, we cooperate with other factory to produce Optical brighteners and intemediates ,  we mainly supply OBA for paper and detergent industry,and is the main producer of OBA for paper and detergent in China,  both of our price and quality have advantages.  We have been cooperating with some famous international company, such as P&G, Japan Kao cooperation  and so on.
3. Other chemical products, Our trading department deal with other chemical business, we set up strategic business relationship and invest into some factories which produce high quality product along with competitive price.
4. Wire mesh, we establish wire mesh plant, mainly producing wire mesh for door and window protecting.



Product name: DSD acid 
Chemical name: 4,4-Diaminostilbene-2,2-disulfonic acid                 
Chemical formula: C14H14N2O6S2
Molecular weight: 370.4 

1)Light yellow cream or powder, soluble in ethanol and ether; insoluble in water, easily soluble in alkaline solution. 
2)Can be easily oxidized into red; has the property of aromatic acid or aromatic amine

Quality index: 


(1)Appearance dry/wet light yellow powder/light yellow cream
(2)Dry product total amino value(gross dry sample)% 95.0min.
(3)Degree of pigmentation(EOD) 0.15max.
(4)Content of alkali insolubles (gross cream )% 0.08max.
(5)Benzyl compound(gross sample)% 0.25max.
(6)Ash content% 2.5max.

Company file: 

    Company name: SJZ Chenghui Chemical co., Ltd
    Year's established:  2004

With more many years experience and efforts, Chenghui Chemical has grown to be one of leading companies in the line in China with excellent reputation, and also established the good business relationship with many companies around the world.

We always keep in mind of the tenet of "quality & price, professionalism & efficiency, reliability & reputation". We warmly welcome friends from home and abroad to cooperate with us and create a bright future together.

Other products of this supplier

lookchemhot product CAS New CAS