L-Lysine Hydrochloride
Amino Acids 2025-03-02
CAS Number: 657-27-2
Molecular Formula: C6H15ClN2O2
Molecular Weight: 182.65 g/mol
Appearance: White crystalline powder or colorless crystals
Usage: Widely used in food, pharmaceuticals, and feed as a nutritional supplement and intermediate in chemical synthesis.
| Category | Details |
|---|---|
| Chemical Name | L-Lysine hydrochloride |
| Synonyms | L-Lysine HCl, L-α-Amino-ε-caprolactam acid hydrochloride, L-Lys·HCl |
| CAS Number | 657-27-2 |
| Molecular Formula | C6H14N2O2·HCl |
| Molecular Weight | 182.65 g/mol (anhydrous); 218.15 g/mol (monohydrate) |
| Appearance | White crystalline powder or granular solid |
| Density | ~1.2 g/cm³ (estimated) |
| Melting Point | 245°C (decomposes) |
| Solubility | Soluble in water; slightly soluble in alcohol; insoluble in ether |
| pH | Aqueous solutions are acidic due to the hydrochloride salt |
| Synthesis Methods | Fermentation of suitable microorganisms, followed by extraction, purification, and conversion to the hydrochloride salt |
| Applications | – Used as a nutritional supplement in animal feed and human diets to improve protein synthesis and growth – Used in the pharmaceutical industry as an excipient and active ingredient in certain formulations – Used in the cosmetics industry as a skin-conditioning agent – Used in the food industry as a flavor enhancer and texturizer |
| Nutritional Value | Essential amino acid for humans and animals; plays a crucial role in calcium absorption and immune function |
| Safety | Considered safe when used as directed. Handle with caution to avoid skin and eye contact. Store in a cool, dry place. |
| Storage Conditions | Store in a tightly sealed container, in a cool, dry place, away from sources of heat and moisture. |
