C4H9NO3
Specification
Specific rotation[a]D20°
-27.6°~-29.0°
State of solution
Clear colorless
(Tranamittance)
≥98.0%
Chloride(Cl)
≤0.02%
Ammonium(NH4)
Sulfate(SO4)
≤0.020%
Iron(Fe)
≤10PPm
Heavy metals(Pb)
Arsenic(As2O3)
≤1PPm
Other amio acids
Chromatographically not detecatable
Loss on drying
≤0.10%
Residue on ignition (Sulfated)
Assay
99.0~100.5%
PH
5.2~6.2
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