English
form
solid
Quality Level
composition
Dye content, 97%
color
yellow
visual transition interval
10.1-12.1, red to violet(alkaline)
5.5-6.8, yellow to red(acid)
mp
279-283 °C (lit.)
solubility
0.1 M NaOH: 0.01 g/L
λmax
567 nm (2nd)
609 nm
ε (extinction coefficient)
13000 at 227-233 nm in 0.1 M NaOH at 0.01 g/L
26000 at 268-274 nm in 0.1 M NaOH at 0.01 g/L
application(s)
diagnostic assay manufacturing
hematology
histology
