Product Description
L-Lysine is an essential amino acid required by humans and animals. It plays a vital role in protein synthesis, normal growth, and tissue maintenance, contributing to the development and maintenance of muscles and bones.
L-Lysine is also involved in the synthesis of carnitine, a compound that helps transport fatty acids for energy metabolism. However, this role does not establish that L-Lysine supplementation directly lowers cholesterol levels or significantly enhances the absorption of calcium, zinc, and iron.
Due to its nutritional importance, L-Lysine is widely used in dietary supplements, food fortification, and animal feed formulations to help meet essential amino acid requirements. It is also used in biochemical research and selected pharmaceutical applications.
L-Lysine has been studied for its potential relationship with arginine metabolism and herpes simplex virus activity, as well as for possible effects on stress and anxiety. However, the available evidence does not establish these as reliable therapeutic benefits. Any use in injectable pharmaceutical formulations must be supported by product-specific formulation data, quality standards, and applicable regulatory approvals.

Product Parameters
| Melting point | 263 °C (dec.)(lit.) |
| Alpha | 21 º (c=8, 6N HCl) |
| Density | 1.28 g/cm3 (20℃) |
| Bulk density | 360kg/m3 |
| Vapor pressure | <1 Pa (20 °C) |
| FEMA | 3847 | L-LYSINE |
| Storage temp | 2-8°C |
| Solubility | H2O: 100 mg/mL |
| Form | Powder |
| Color | White to Off-white |
| Odor | Odorless |
| PH | 5.5-6.0 (100g/l, H2O, 20℃) |
| Biological source | Non-animal source |
| Optical Rotation | [α]20/D +20.5±0.5°, c = 5% in 5 M HCl |
| Water Solubility | 65 g/100 mL (20 ºC) |
| λmax | λ: 260 nm Amax: 0.1 λ: 280 nm Amax: 0.1 |
| Merck | 14,5636 |
| BRN | 3563889 |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| LogP | -1.036 (est) |
| CAS DataBase Reference | 657-27-2(CAS DataBase Reference) |
| EPA Substance Registry System | Lysine hydrochloride (657-27-2) |
Application Scenarios
L-Lysine hydrochloride is widely used as a source of the essential amino acid L-lysine in animal nutrition and selected food and nutritional applications. It helps supplement lysine levels in feed formulations and supports balanced amino acid nutrition for livestock and poultry.
Animal Feed and Nutrition: Commonly used as a lysine supplement in feed formulations to help meet the nutritional requirements of livestock, poultry, and other animals.
Food Processing and Nutritional Products: Used in eligible food and nutritional formulations where permitted, subject to applicable food-grade specifications and regulatory requirements.
Pharmaceutical Applications: May be used in selected pharmaceutical and nutritional formulations, depending on product grade and intended use.
Agricultural and Related Industries: Used in specialized applications involving amino acid nutrition and formulation development, subject to the requirements of the specific application.
