Density |
1.625[at 20℃] |
vapor pressure |
0Pa at 25℃ |
storage temp. |
room temp |
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. |
λmax |
528 nm |
ε(extinction coefficient) |
≥12000 at 277-283nm in H2O ≥15000 at 223-235nm in H2O ≥32000 at 524-530nm in H2O |
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) |