| Melting point | 215 °C (dec.)(lit.) |
| alpha | D20 +14.6° (c = 6.5); D23 +25.9° (c = 2 in 6.0N HCl) |
| Boiling point | 265.81°C (rough estimate) |
| density | 1.1360 (rough estimate) |
| FEMA | 3847 | L-LYSINE |
| refractive index | 26 ° (C=2, 5mol/L HCl) |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| solubility | H2O: 0.1 g/mL, clear, colorless |
| pka | 2.16(at 25℃) |
| form | Powder or Crystals |
| color | White to light yellow |
| optical activity | [α]20/D +26.0±1.0°, c = 2% in 6 M HCl |
| Water Solubility | Soluble in water. Insoluble in ethanol, ethyl ether, acetone, benzene and common neutral solvent. |
| JECFA Number | 1439 |
| Merck | 14,5636 |
| BRN | 1722531 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| InChIKey | KDXKERNSBIXSRK-YFKPBYRVSA-N |
| CAS DataBase Reference | 56-87-1(CAS DataBase Reference) |
| NIST Chemistry Reference | Lysine(56-87-1) |
| EPA Substance Registry System | Lysine (56-87-1) |
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