| Melting point |
>250°C |
| storage temp. |
Amber Vial, Refrigerator |
| solubility |
Solubility Soluble in water; slightly soluble in ethanol, acetone |
| Colour Index |
24890 |
| form |
powder |
| color |
Orange |
| PH Range |
Yellow (6.4) to red-orange (8.0) |
| Odor |
Odorless |
| Water Solubility |
Partially soluble in water |
| ε(extinction coefficient) |
≥37000 at 260-268nm
≥37000 at 486-494nm |
| λmax |
497nm |
| BRN |
4122338 |
| Stability |
Light Sensitve |
| Major Application |
Display device, sensors, photochromic materials, inks, detergent, cosmetics, biosensors, assay for enzyme activity, antifungal agent, antiAIDS agent |
| InChIKey |
YLDIUICHQPKMNH-MAPAHAHLSA-L |
| SMILES |
[Na+].[Na+].Oc1ccc(cc1)\N=N\c2ccc(\C=C\c3ccc(cc3S([O-])(=O)=O)\N=N\c4ccc(O)cc4)c(c2)S([O-])(=O)=O |
| CAS DataBase Reference |
3051-11-4(CAS DataBase Reference) |
| EPA Substance Registry System |
C.I. Direct Yellow 4, disodium salt (3051-11-4) |
