CasNo.81-11-8,favorable price of 4,4'-Diamino-2,2'-stilbenedisulfonic acid,(81-11-8) Suppliers

2 Metric Ton	FOB Price: USD 6500.0000

Min.Order :2 Metric Ton
Purity: 95.0%MIN
Payment Terms : L/C,T/T

Keywords

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

Quick Details

Appearance:Light yellow powder/light yellow cream
Application:In the manufacture of fluorescent brighteming agent,Chrysophenine G and Direct Yellow R, also as pes
PackAge:in 25kg woven bags or upon clients' request; Wet product: in 40kg woven bag or upon clients' request
ProductionCapacity:5000|Metric Ton|Year
Storage:in dry place
Transportation:by vessel

Superiority:

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.

Details:

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

Property:
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:

Item	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.