Azoviolet/Magneson I/4-(4-Nitrophenylazo)resorcinol
Item No.： SR0252
Store at： RT，Avoid light
English Name: azoviolet; Magneson I； 4-(4-Nitrophenylazo)resorcinol
Other names: p-Nitrobenzene azo resorcinol; Magnesium reagent I; Azo violet; Even oxygen violet; (p-Nitrobenzene azo) resorcinol; 4 - (4-nitrophenylazo) resorcinol
CAS No.: 74-39-5
C12H9N3O4=259.22
Grade: ar
Sensitivity test: acceptable
Maximum absorption wavelength: 555 ～ 565nm
Burning residue (calculated by sulfate): ≤ 0.2%
Sodium hydroxide solution dissolution test: acceptable
Physicochemical properties: reddish brown powder. It is red purple in dilute alkali solution, slightly soluble in boiling ethanol, acetone, acetic acid and toluene, all yellow, almost insoluble in water. The melting point is 199-200 ℃. Irritating
Purpose: biochemical research. Determination of magnesium and molybdenum. Adsorption indicator
Save: RT, protected from light
