Product Description
L-Methionine is an essential sulfur-containing L-amino acid that plays an important role in various biological processes. It is a required nutrient for the normal growth and development of humans, mammals, and birds. In addition to being a building block for protein synthesis, L-Methionine serves as an important intermediate in methylation reactions and acts as a major methyl group donor.
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Chemical Properties
| Melting point | 284 °C (dec.)(lit.) |
| Alpha | 23.25 º (c=2, 6N HCl) |
| Boiling point | 393.91°C (estimate) |
| Density | 1,34g/cm |
| Bulk density | 550kg/m3 |
| Refractive index | 1.5216 (estimate) |
| Storage temp | 20-25°C |
| Solubility | 1 M HCl: 0.5 M at 20 °C, clear, colorless |
| Pka | 2.13(at 25℃) |
| Form | Solid |
| Color | White |
| Odor | Slight characteristic |
| PH | 5-7 (10g/l, H2O, 20℃) |
| Biological source | Synthetic |
| Optical Rotation | [α]20/D +23.7±0.5°, c = 5% in 5 M HCl |
| Water Solubility | Soluble |
| λmax | λ: 260 nm Amax: 0.40 λ: 280 nm Amax: 0.05 |
| Merck | 14,5975 |
| BRN | 1722294 |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| LogP | 0.217 (est) |
| CAS DataBase Reference | 63-68-3(CAS DataBase Reference) |
| NIST Chemistry Reference | L-Methionine(63-68-3) |
| EPA Substance Registry System | L-Methionine (63-68-3) |
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Product Application
L-Methionine is used as an amino acid supplement and nutritional ingredient, with applications in treating conditions such as fatty liver and cirrhosis. It is also widely added to animal feed to improve nutritional value, enhance protein utilization, and support animal growth. For example, DL-Methionine can help increase egg production in poultry, promote weight gain in pigs, and improve milk production in dairy cows.
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