Items	Specifications
Description	White to of1f-white powder
Assay HPLC	97-102%
Water	≤5.0%
PH	5.0-7.0
Melting range	81-84℃
Sulfated ash	≤0.2
Specific rotation	-43.4～-40.00
N-[N-(3,3-Dimethylbutyl)-α-aspartyl]-L-phenylalanine	≤1.5%
Other Related Substances	≤2.0%
Heavy metal (Pb)	≤1ppm