Appearance: White crystal or crystalline powder. Usage:It is used inUsed in synthetic drugs
specification data:
Appearance
White crystalline powder
Assay
99.0%~101.0%
Specific rotation[α]D20
-24.5° ~ -25.5°
Transmittance
≥98.0%
Iron(Fe)
≤0.001%
Ammonium(NH4)
≤0.02%
Arsenic(As2O3)
≤1ppm
Sulfate(SO4)
≤0.02%
Chloride(Cl)
≤0.02%
Heavy metals(Pb)
≤10ppm
Loss on drying
≤0.20%
Residue on ignition
≤0.10%
Other Amino acids
≤0.30%
PH
2.5~3.5
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