Bayyanar: fari crystal ko fari crystalline foda.
Abun ciki: ≥99.50%
Matsayin narkewa: 184.0-187.0°C
Sulfate (SO42-): 0.02 %
Karfe mai nauyi (kamar Pb2+):0.001%
Ragewar potassium permanganate (ml): ≤2.0%
Abu maras narkewa a cikin ruwa: ≤0.02%