| Appearance |
bordeaux to brown powder |
| Melting point |
>250°C |
| storage temp. |
2-8°C |
| solubility |
Solubility Soluble in water, acetic acid ethanol |
| Colour Index |
14890 |
| form |
Powder |
| color |
Brown to yellow to orange |
| PH Range |
Bright yellow (6.0) to bright blue (7.2) |
| Water Solubility |
Dissolve in water at 1mg/ml |
| ε(extinction coefficient) |
≥35000 at 587-591nm in 0.1 M NaOH at 0.01g/L |
| λmax |
586nm |
| Major Application |
Sensors, display devices, sol-gel matrix, electrorheological materials, diesel feuls/kerosines, detergent, fabric softner, food storage, method for identifying fresh & stale rice, in dialysis solution, screening of NAD-binding, monitoring secreted body fluids, lymph node, diagnostic pads, vaginal infection test method, assay for esterolyticenzyme activity, detecting pathogenic bacteria, diagnosis of bacterial vaginosis, detecting dysfunctional pregnancy, drugs screening |
| InChIKey |
XBLIFEQTVVSTIM-QIKYXUGXSA-L |
| SMILES |
[Na+].[Na+].Oc1c(\N=N\c2ccc(cc2[N+]([O-])=O)[N+]([O-])=O)c(cc3cc(ccc13)S([O-])(=O)=O)S([O-])(=O)=O |
| CAS DataBase Reference |
5423-07-4(CAS DataBase Reference) |
| EPA Substance Registry System |
2,7-Naphthalenedisulfonic acid, 3-[(2,4-dinitrophenyl)azo]-4-hydroxy-, disodium salt (5423-07-4) |
