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Name
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L-Lysine Hydrochloride
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Synonyms
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Monohydrochloride, I-Lysin; L-Lysine HCl USP;
L-Lysine HCl USP/FCC, Granular;
L-Lysine HCl, Feed Grade, 98.5%;
L-Lysine HCl, Powder;
L-Lysine Hydrochloride (Feed Grade);
L-Lysine Monohydrochloride (Feed Grade);
L-Lysine Monohydrochloride, FCC
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CAS
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657-27-2
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MF
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C₆H₁₄N₂O₂ClH
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MW
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182.65
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EINECS
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211-519-9
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Physical & Chemical Properties
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Melting Point
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263°C (dec.) (lit.)
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Specific Optical Rotation
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21° (c=8, 6N HCl)
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Density
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1.28 g/cm³ (20°C)
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Bulk Density
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360 kg/m³
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Vapor Pressure
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<1 Pa (20°C)
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Optical Rotation
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[α]²⁰/D +20.5±0.5°, c = 5% in 5M HCl
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pH Value
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5.5 - 6.0 (100 g/L, H₂O, 20°C)
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Water Solubility
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65 g/100 mL (20°C) or 100 mg/mL (general)
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Form
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Powder
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Color
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White to off-white
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Odor
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Odorless
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Storage Conditions
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2 - 8°C
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Biological Source
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Non-animal source
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| Usage | 1. Lysine is a nutritional fortifier for feed. It functions to enhance the appetite of livestock and poultry, improve disease resistance, promote wound healing, and improve meat quality. It can boost gastric juice secretion and is an essential substance for the synthesis of cranial nerves, germ cells, proteins, and hemoglobin. Generally, its addition amount in feed ranges from 0.1% to 0.2%. 2. Lysine is an essential amino acid for the human body. It can enhance hematopoietic function, increase gastric juice secretion, improve protein utilization, strengthen disease resistance, maintain metabolic balance, and is beneficial for promoting the physical and intellectual development of children. According to Chinese regulations, it can be used in flour for noodle processing, biscuits, and bread, with a dosage of 1–2 g/kg; and in beverages, the dosage is 0.3–0.8 g/kg. |
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