A5347912
L-Methionine , 99% , 63-68-3
Synonym(s):
L-Methionine;Met;L-Methionine - CAS 63-68-3 - Calbiochem;(S)-2-Amino-4-(methylmercapto)butyric acid;L -2-Amino-4-(methylthio)butanoic acid
CAS NO.：63-68-3
Empirical Formula: C5H11NO2S
Molecular Weight: 149.21
MDL number: MFCD00063097
EINECS: 200-562-9
| Pack Size | Price | Stock | Quantity |
| 25G | RMB29.60 | In Stock |
|
| 100G | RMB40.80 | In Stock |
|
| 500G | RMB121.60 | In Stock |
|
| 2.5KG | RMB480.80 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT 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 |
| refractive index | 1.5216 (estimate) |
| storage temp. | 20-25°C |
| solubility | 1 M HCl: 0.5 M at 20 °C, clear, colorless |
| form | Solid |
| pka | 2.13(at 25℃) |
| color | White |
| PH | 5-7 (10g/l, H2O, 20℃) |
| Odor | Slight characteristic |
| optical activity | [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) |
Description and Uses
Colorless or white lustrous plates, or a white crystalline powder. It has a slight, characteristic odor. It is soluble in water, in alkali solutions, and in dilute mineral acids. It is slightly soluble in alcohol and practically insoluble in ether.
methionine is slows down and normalizes oil gland sebum production. Methionine is also used as a texturizer in cosmetic creams. It is an essential amino acid found in a number of proteins and obtained by means of fermentation.
