PRODUCT Properties
| Melting point: | >210°C(dec.) |
| storage temp. | Amber Vial, Refrigerator, Under inert atmosphere |
| solubility | Methanol (Slightly) |
| form | Solid |
| color | Red |
| EPA Substance Registry System | C.I. Acid Red 4, monosodium salt (5858-39-9) |
Description and Uses
Acid Red 4 is an azo dye. The wavelength of maximum absorbance for Acid Red 4 is 508 nm[1].
Safety
| WGK Germany | 3 |
