Appearance: White crystals
Assay: 99.8%min
Melting Point:97.0¡ãCmin
Moisture:0.08%max
Ash content:0.01%mix
Aqueous Ph:5.5-6.0
Solubility in Alcohol:approximately transparent
Properties:Soluble in alcohol,benzene,toluene,chloroform and DMF,slightly soluble in water,Turn red in air with oxidation,Exposive in vacuum distillation.
Type:Crude granular; Big granular;Flake;Needle;Fine Granular;Powdery;Big flake;Small granular