| Arsenic (As) | 1ppm max. |
| Appearance of Solution | (10% aq. soln.) clear, colorless |
| Assay Percent Range | 99+% |
| Heavy Metals (as Pb) | 10ppm max. |
| Linear Formula | H2N(CH2)4CH(NH2)COOH·HCl |
| Infrared Spectrum | Authentic |
| Iron (Fe) | 30ppm max. |
| Loss on Drying | 0.3% max. (105°C, 3 hrs) |
| Formula Weight | 182.65 |
| Specific Rotation | -20.5° to -21.5° (20°C, 589nm) (c=8, 6N HCl) |
| Physical Form | Crystalline Powder |
| Percent Purity | 99.0 to 101.0% |
| Sulfated Ash | 0.1% max. |
| Specific Rotation Condition | −21° (20°C c=8,6N HCl) |
| Color | White |
| Chemical Name or Material | D-Lysine hydrochloride |