中文名字：L-天门冬氨酸

Product Name:L-Aspartic Acid
Synonyms:(S)-(+)-Aminosuccinic aci；(S)-Aminobutanedioic acid
Molecular Formula: C₄H₇NO₄
CAS #:56-84-8

Test Items	Standard
Appearance	White powder
Assay	98.0% to 101.0%
Specific Rotation [α]20/D	+24~26 ° (C=8 in 6N HCl)
Chloride (Cl)	Not more than 0.10%
Heavy Metals (Pb)	Not more than 10 PPM
Loss on Drying	Not more than 0.30%
Residue on Ignition (Sulfated)	Not more than 0.30%