Menu
DASDA, 4,4′-Diaminostilben-2,2′-disulfonic acid (DASD) is an organic compound with the chemical formula C14H14N2O6S2. It is a white to yellow crystalline powder that is used as an intermediate in the production of dyes, OBA and pigments. It can be prepared by the reaction of 4,4′-diaminostilbene and disulfonic acid. It is also used as a reagent in analytical chemistry, particularly in the determination of copper ions and other metal ions in solution.
| Product Characteristics | Product Detail |
|---|---|
| CAS No | 81-11-8 |
| Formula | C14H14N2O6S2 |
| Molecular Weight | 370.39 |
| Synonyms | 2,2′-Stilbenedisulfonicacid, 4,4′-diamino- (6CI,7CI,8CI);2,2′-Disulfo-4,4′-stilbenediamine;4,4′-Diaminostilben-2,2′-disulfonic acid;Amsonic acid;DASD;DSDacid;Diaminostilbenedisulfonic acid;Flavonic acid;NSC 163;p,p’-Diaminodiphenylethylene-o,o’-disulfonic acid;p,p’-Diaminostilbene-o,o’-disulfonic acid; |
| EINECS | 201-325-2 |
| Density | 1.662 g/cm3 |
| Melting Point | 300 `C |
| Solubility | <0.1 g/100 mL at 23 `C in water |
| Appearance | Light yellow powder |