Methionine
CAS: 348-67-4
Category: Amino Acids
| Purity | FCC Food Grade ≥99%, USP/NF Grade, Feed Grade ≥98.5% |
| Molecular Formula | C5H11NO2S |
| Molecular Weight | 149.21 |
| Appearance | White or almost white crystalline powder or colorless crystals |
| Packaging | 25kg/woven bag with an inner plastic coating or 25kg/cardboard drum. |
| Testing Indicators | Appearance — Visual inspection; Specific rotation — Polarimetry; Identification — IR, Ninhydrin test; Purity — HPLC; Heavy metals — ICP-MS; Loss on drying — Gravimetry; Microbial limits — Filtration; Sulfate — Turbidimetry; Residue on ignition — Muffle furnace. |
| Storage Notes | Store in a cool, dry, and well-ventilated place in a tightly sealed container, protected from moisture. |
| Lead Time | days |
An essential amino acid used as a raw material in pharmaceutical infusions, dietary supplements, and animal feed additives.