Ukubukeka: I-crystal emhlophe noma i-crystalline powder emhlophe.
Okuqukethwe:≥99.50 %
Iphuzu elincibilikayo: 184.0-187.0°C
I-Sulphate(SO42-):0.02 %
Insimbi enzima(njenge-Pb2+):0.001 %
Ukuncishiswa kwe-potassium permanganate(ml):≤2.0%
Into engancibiliki emanzini:≤0.02%