L-Methionine
Product Specifications
DFI-780917
DFI-780917
| Description | |
|---|---|
| CAS No.: | 63-68-3 |
| Country of origin: | China |
| Formula: | C5H11NO2S |
| Packaging: | 25kg drum |
| Shelf life: | 24 months |
| Storage: | In a dry place sealed storage |
| Specifications | |
| Arsenic: | Max: 1ppm, mg/kg |
| Assay: | 98.5 to 101.5% |
| Cadmium: | Max: 1ppm, mg/kg |
| Chloride (Cl): | Max: 0.05% |
| Heavy metals: | Max: 0.0015% |
| Identification: | Conforms |
| Iron (Fe): | Max: 0.003% |
| Lead: | Max: 3ppm, mg/kg |
| Loss on drying: | Max: 0.3% |
| Mercury: | Max: 0.1ppm, mg/kg |
| Other Amino Acids: | Conforms |
| pH: | 5.6 to 6.1 |
| Residue on ignition: | Max: 0.4% |
| Specific Rotation: | +22.4° ~ +24.7° |
| Sulfate: | Max: 0.03% |
| Microbiological | |
| Coliforms: | Max: 10cfu/g |
| Escherichia Coli: | Absent |
| Salmonella: | Absent |
| Staphylococcus aureus: | Absent |
| Total plate count: | Max: 1000cfu/g |
| Yeasts & Moulds: | Max: 100cfu/g |
Published Date: 2026-02-04 09:04:28