L-Methionine
Product Description
| Product | L-Methionine |
| CAS | 63-68-3 |
| Formula | C5H11NO2S |
| Synonym | L-Methionine, L-2-Amino-4-(methylthio)butyric Acid, L-Methionine |
Typical Product Specifications
| Density | 1.340 |
| Sensoric | Colorless or white crystalline powder |
| Odor | Slight characteristic |
| Solubility | Soulble in water |
| pH | 5.6-6.1 |
| Loss on Drying | NMT 0.3% |
| Residue on Ignition | NMT 0.1% |
| Chloride | NMT 0.05% |
| Sulfate | NMT 0.03% |
| Heavy Metals | NMT 15 ppm |
| Iron | NMT 0.003% |
| Specific Rotation | +22.4 to +22.7 |
| Assay | 98.5% - 101.5% |
| Total Aerobic Plate Count | NMT 3,000 CFU/g |
| Yeast & Molds | NMT 100 CFU/g |
| Coliform | Negative P 25/g |
| E.Coli | Negative P 25/g |
| Salmonella | Negative P 25/g |
| Insolubility | in abs. alcohol, alcohol, benzene, acetone, ether |
| Melting Point | 281 c (dec.) |
| Molecular weight | 149.21 |
| Flash Point | (cc) 284 c |
| Chemical Structure |  |
| Notes | FEMA# 3301 |
| Class | Vitamins - Nutritional Ingredients - Amino Acids |
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