Appearance: White or off-white crystal powder
Assay: 99.0%~100.5%
Solubility: Very soluble in water, ethanol, methanol, chloroform practically insoluble in ether
Melting Point: 112.0~118.0℃
Identification: Chloride, UV.
Loss on drying: 0.5%max
Residue on ignition: 0.1%max
Heavy metals: 10ppm max
Readily oxidarle substances: conforms
Related substances: 0.5%max
Benzoic acid: 0.1%max
Arsenic: 1ppm max
Residual solvents:
Ethanol: 0.5% max
Toluene: 0.089% max
Acetone: 0.5% max
Particle size:
D(10%):5~60μm
D(50%):10~150μm
D(90%):100~350μm
Package: 25kg/fibre drum
|