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DSD Acid

DSD Acid

Category :

Agrochemicals

CAS NO : 81-11-8
EC NO : 201-325-2
Molecular Formula : C14H14N2O6S2
Main Specifications :
Synonyms : 2,2'-(1,2-Ethylenediyl)bis(5-aminobenzenesulfonic acid); Amsonic acid;4,4'-Diaminostilbene-2,2'-Disulfonic Acid;2,2'-ethene-1,2-diylbis(5-aminobenzenesulfonic acid);4,4'-Diamino-2,2'-stilbenedisulfonic acid;
DSD Acid
Molecular Structure:DSD Acid 81-11-8
Product description:

Chemical name: 4,4-Diaminostilbene-2,2-disulfonic acid

Trade name: DSD acid
Structural formula: ?
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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/wetlight yellow powder/light yellow cream
(2)Dry product total amino value(gross dry sample)%  ≥95.0
(3)Degree of pigmentation(EOD)             ≤0.15
(4)Content of alkali insolubles (gross cream )%   ≤0.08
(5)Benzyl compound(gross sample)%       ≤0.25
(6)Ash content%                ≤2.5

2. Main use: In the manufacture of fluorescent brighteming agent、Chrysophenine G and Direct Yellow R, also as pesticides
3. Packing: dry product: in 25kg woven bags or upon clients' request; wet product: in 40kg woven bag or upon clients' request.

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Contact us
Company:
   Yanshi Dongyuan Chemical Co.,Ltd.
Contact:
   Xing Jinxia
Phone:
+86-379-67435819 +86-13783679197
Mobile phone:
+86-13783679197
Fax:
+86-379-67436819
E-mail:
dy@dongyuanchem.com
Website:
http://www.dongyuanchem.com
Address:
Dongdajiao Industrial Zone, Dianzhuang, Yanshi, Luoyang, Henan Province
Zip Code:
471942
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