PRODUCT Properties
| Density | 1.987[at 20℃] |
| solubility | DMSO (Sparingly, Sonicated), Water (Slightly) |
| form | Solid |
| color | Dark Brown to Very Dark Brown |
| Water Solubility | 66.67g/L at 20℃ |
| Stability: | Hygroscopic |
| LogP | -1.894 at 20℃ |
| EPA Substance Registry System | C.I. Direct Yellow 50, tetrasodium salt (3214-47-9) |
Description and Uses
3,3'-[Carbonylbis[imino(2-methyl-4,1-phenylene)-2,1-diazenediyl]]bis-1,5-naphthalenedisulfonic Acid Sodium Salt (Technical Grade) is a useful research chemical. It is used in water-based ink composition with color-changing by evaporation.
Safety
| Symbol(GHS) |  GHS08 |
| Signal word | Danger |
| Hazard statements | H317-H334 |
| Precautionary statements | P261-P272-P280-P302+P352-P333+P313-P321-P363-P501-P261-P285-P304+P341-P342+P311-P501 |
| WGK Germany | 3 |
