≥1 piece |
1) appearance: brown or light brown powder
2) concent (C4H14N2O2HCL): >98.5%
3) specific rotation: +18-21.5
4) loss on drying: <1.0%
5) residue on ignition: <0.3%
6) ammonium salt (as NH4): <0.04%
7) heavy metals: <0.003%
8) Arsenic (as As): <0.002%
Packing: