PRODUCT Properties
Density | 1.625[at 20℃] |
vapor pressure | 0Pa at 25℃ |
form | powder |
Colour Index | 35780 |
pka | pK1-6 < 2; pK7.8 >13(at 25℃) |
color | Dark green to Dark red to Black |
Water Solubility | Partly soluble in water, very slightly soluble in ethanol, and cellosolve. Insoluble in many organic solvents. |
Merck | 14,8548 |
BRN | 8185575 |
InChIKey | YIQKLZYTHXTDDT-IJPLDVMMSA-H |
LogP | -2.82 at 20℃ |
CAS DataBase Reference | 2610-10-8 |
EPA Substance Registry System | C.I. Direct Red 80, hexasodium salt (2610-10-8) |
Description and Uses
Direct red 80 is a dye useful as a cardiac muscle stain and as a model compound in adsorption studies. It has also been utilized to compare efficacy of textile dye removal in aqueous solutions.