DL-Methionine | CAS NO:59-51-8 |
Chemical Name | DL-Methionine |
Molecular Structure |
|
Molecular Formula | C5H11NO2S |
Molecular Weight | 149.21 |
Characteristics | White crystalling powder |
Packing | 25㎏/drum,25㎏/carton |
Quality Standard | AJI92/USP28/EP5/FCCIV |
Specification
State of solution | ≥98.0% |
Chloride(CL) | ≤0.020% |
Iron(Fe) | ≤10PPm |
Heavy metals(Pb) | ≤10PPm |
Arsenic(As2O3) | ≤1PPm |
Other amino acids | Chromatographically not detectable |
Loss on drying | ≤0.30% |
Residue on ignition | ≤0.10% |
Assay | 99.0~100.5% |
PH | 5.6~6.1 |