Appearance: Yellow Powder
Purity: 95%min
Packaging: 25kg/drum
Sample: Available
related documents:
- COA of DSD Acid Cas 81-11-8
- TDS of DSD Acid Cas 81-11-8
- SDS of DSD Acid Cas 81-11-8
DSD Acid Cas 81-11-8
Description
DSD Acid Quick Details
Product Name: DSD Acid
Another Name: 4,4′-Diamino-2,2′-stilbenedisulfonic acid; Amsonic acid; 2,2′-(1,2-Ethylenediyl)bis(5-aminobenzenesulfonic acid)
CAS: 81-11-8
Molecular Formula:C14H14N2O6S2
Molecular Weight:370.4
Structural Formula: 
DSD Acid Typical Properties
| Item | Specifications |
| Appearance | YELLOW POWDER |
| Purity by titration | 95%Min |
| DADB CONTENT | 0.1%Max |
| Degree of Coloration（440 460 500）nm | 0.5%Max |
| Insoluble in alkali | 0.1% Max |
| Ash Content | 0.3% Max. |
| Moisture Content | 0.2%Max |
DSD Acid Usage
Used as intermediate of dye and fluorescent brightener
DSD Acid Packaging and Shipping
25kg/drum
DSD Acid Storage
It should be sealed and shaded to be stored in a dry, cool, well ventilated place.