Product name:4-(2-Pyridylazo)resorcinol
No.:A061
CAS No.:1141-59-9
M F: C11H9N3O2
Purity: 90%min
Property: Brown or orange powder, slightly soluble in water, soluble in alcohol and ether, soluble in acidic and alkaline aqueous solution, the sodium salt soluble in water.
Molecular weight: 215.21
Use: Acid-base indicator, pH color change range9.4(blue)～14.0(red)
Technical index |
Item: | Technical grade |
Melting point℃ | 188 |
Sensitiveness | Passes test |