DSD Acid Suppliers, DSD Acid Manufacturers.
Chemical name: 4,4-Diaminostilbene-2,2-disulfonic acid
Trade name: DSD acid
Structural formula: ?
???????????????
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)% ≥ | 95.0 |
(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 |
Company: |
Yanshi Dongyuan Chemical Co.,Ltd. |
E-mail: |
chem@netsun.com |
Address: |
Dongdajiao Industrial Zone, Dianzhuang, Yanshi, Luoyang, Henan Province |
Zip Code: |
471942 |