| 分子式
(Molecular Formula) |
C5H11NO2S | |
| CAS Registry No. | 59-51-8 | |
| 化学命名
(Chemical Name) |
DL-蛋氨酸
DL-Methionine |
|
| 分子量
(Molecular Weight) |
149.21 | |
| 检测项目
Item |
指标
Specification |
检验结果
Result |
| 外观
Appearance |
白色或浅灰色颗粒
White or light grey |
浅灰色颗粒
Light grey crystal |
| DL-蛋氨酸(%)
DL-Methionine |
≥99.0 | 99.0 |
| 干燥失重(%)Loss on drying | ≤0.3 | 0.1 |
| Chloride(NaCl)氯化物(以 NaCl计)(%) | ≤0.2 | <0.2 |
| 重金属(以Pb计) (mg/kg)Pb | ≤20 | <20 |
| 砷As(mg/kg) | ≤2 | <2 |
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