Murexide/Acid ammonium purpurate/Ammonium purpurate/5,5′-Nitrilodibarbituric acid ammonium salt
Item No.： SR0127
Store at： RT，Avoid light
English Name: murexide; Acid ammonium purpurate； Ammonium purpurate； 5,5′-Nitrilodibarbituric acid ammonium salt
Other names: amino purple acid; Ammonium rhodiolate; Bone snail purple; Purpurine; 5, 5 '- diazo dibarboxylate ammonium salt; 5- ((hexahydro-2,4,6-trioxy-5-pyrimidinyl) imino) - 2,4,6 (1H, 3h, 5H) pyrimidine trione monoammonium salt
CAS No.: 3051-09-0
C8H8N6O6=284.19
Grade: ind
Complexation test: qualified
Burning residue: ≤ 0.1%
Physicochemical Properties: red purple crystalline powder, with green metallic luster. It can form complexes of various colors with many cations. Soluble in hot water, slightly soluble in cold water, almost insoluble in ethanol and ether. Its aqueous solution is dark purple, which varies with the pH value. It is dark blue in alkaline solution and colorless in acidic solution. The aqueous solution is easy to deteriorate. Melting point > 300 ℃. The maximum absorption wavelength (in water) is 520nm.
Purpose: biochemical research. Complexation indicator (used to titrate calcium, copper, cobalt, nickel, manganese, scandium, zinc, etc.). Photometric determination of calcium
Save: RT, away from light
