四川同晟氨基酸有限公司
AppearanceWhite crystals or crystalline powderPH 5.0 to 6.5Melting Point(℃)223-225℃Specific rotation[α]20/D
(C=0.8 in H2O)+49 ±2 DegreeLoss on dryingNot more than 1.0%Residue on ignition(sulfated)Not more than 0.20%AssayNot less than 99%