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63-68-3
bosschemical
63-68-3
| L-Methionine Basic information | |
| Product Name: | L-Methionine |
| CAS: | 63-68-3 |
| MF: | C5H11NO2S |
| MW: | 149.21 |
| EINECS: | 200-562-9 |
| L-Methionine 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 |
| 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℃) |
| optical activity | [α]20/D +23.7±0.5°, c = 5% in 5 M HCl |
| Water Solubility | Soluble |
| Merck | 145,975 |
| BRN | 1722294 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| 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) |
| Appearance | White powder | assay | 99.50% |
| smell | no | Impurities | no |
| PH | 5.5-7.5 | Loss on drying | <16.5% |
| Sulfate (SO4) | <1000ppm | Heavy metal (as Pb) | <10ppm |
| Aniline | <1ppm | Arsenic (As) | <3ppm |
| Selenium | <30ppm | Lead | <2ppm |
| Impurity A(Sulfamic Acid) | Meets the requirements | Absorbance | Meets the requirements |
| Cyclohexylamine | <10ppm | Dicyclohexylamine | <1ppm |
| Solubility in water | Freely soluble | Solubility in Ethanol | Slightly soluble |
| Sulfamic acid | <0.15 | Absorbance | 0.02 |
| L-Methionine Basic information | |
| Product Name: | L-Methionine |
| CAS: | 63-68-3 |
| MF: | C5H11NO2S |
| MW: | 149.21 |
| EINECS: | 200-562-9 |
| L-Methionine 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 |
| 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℃) |
| optical activity | [α]20/D +23.7±0.5°, c = 5% in 5 M HCl |
| Water Solubility | Soluble |
| Merck | 145,975 |
| BRN | 1722294 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| 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) |
| Appearance | White powder | assay | 99.50% |
| smell | no | Impurities | no |
| PH | 5.5-7.5 | Loss on drying | <16.5% |
| Sulfate (SO4) | <1000ppm | Heavy metal (as Pb) | <10ppm |
| Aniline | <1ppm | Arsenic (As) | <3ppm |
| Selenium | <30ppm | Lead | <2ppm |
| Impurity A(Sulfamic Acid) | Meets the requirements | Absorbance | Meets the requirements |
| Cyclohexylamine | <10ppm | Dicyclohexylamine | <1ppm |
| Solubility in water | Freely soluble | Solubility in Ethanol | Slightly soluble |
| Sulfamic acid | <0.15 | Absorbance | 0.02 |
