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| L-Lysine hydrochloride Basic information | | Synthesis |
| L-Lysine hydrochloride Chemical Properties |
| Melting point | 263 °C (dec.)(lit.) | | alpha | 21 º (c=8, 6N HCl) | | density | 1.28 g/cm3 (20℃) | | 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 | | PH | 5.5-6.0 (100g/l, H2O, 20℃) | | optical activity | [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: 0.1λ: 280 nm Amax: 0.1 | | Merck | 14,5636 | | BRN | 3563889 | | Stability: | Stable. Incompatible with strong oxidizing agents. | | CAS DataBase Reference | 657-27-2(CAS DataBase Reference) | | EPA Substance Registry System | Lysine hydrochloride (657-27-2) |
| Hazard Codes | | WGK Germany | 2 | | HS Code | 2922410000 |
| L-Lysine hydrochloride Usage And Synthesis |
| Synthesis | L-Lysine hydrochloride can be synthesisied by microbial fermentation to give crude L-Lysine , and then purified and synthesized by crystallization in hydrochloric acid. | | Description | A white or nearly white, practically odorless, free-flowing, crys talline powder. It is freely soluble in water, but is almost insoluble
in alcohol and in ether. It melts at about 260°C with decomposition. | | Chemical Properties | White crystalline powder | | Uses | amino acid, nutrient | | Uses | L-(+)-Lysine Monohydrochloride | | Uses | L-Lysine monohydrochloride is widely used as nutritional supplements in food and beverage industries. It can also be used in animal feed as source of L-Lysine.? L-Lysine Monohydrochloride can be used in a wide variety of industries including: food production, beverage, pharmaceutical, agriculture/animal feed, and various other industries. | | Definition | ChEBI: The hydrochloride salt of L-lysine | | Biochem/physiol Actions | L-lysine is an essential amino acid in animals and humans. L-Lysine is necessary for protein synthesis in the body and proper growth. L-lysine lowers the cholesterol level by producing carnitine. L-lysine aids in calcium, zinc and iron absorption. Athletes take L-lysine as a supplement for lean mass building and for proper muscle and bone health. L-lysine competes with arginine during viral replication and reduces herpes simplex virus infection. L-lysine supplementation reduces chronic anxiety in human. Lysine reduces viscosity of serum albumin solution for injections. | | Safety Profile | iWdly toxic by
ingestion. When heated to decomposition it
emits very toxic fumes of HCl and NOx. | | Purification Methods | Likely impurities are arginine, D-lysine, 2,6-diaminoheptanedioic acid and glutamic acid. Crystallise the monohydrochloride from water at pH 4-6 by adding 4 volumes of EtOH. At above 60% relative humidity it forms a dihydrate. [Birhbaum et al. J Biol Chem 194 455, 468 1952, Kearley & Ingersoll J Am Chem Soc 73 5783 1951, Beilstein 4 IV 2717.] |
| L-Lysine hydrochloride Preparation Products And Raw materials |
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