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L-Lysine

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Name

L-Lysine

EINECS 200-294-2
CAS No. 56-87-1 Density 1.125 g/cm3
Solubility water: 0.1 g/mL, clear, colorless Melting Point 215 °C (dec.)(lit.)
Formula C6H14N2O2 Boiling Point 311.542 °C at 760 mmHg
Molecular Weight 146.22 Flash Point 142.216 °C
Transport Information Appearance white or almost white crystalline powder
Safety 24/25 Risk Codes
Molecular Structure Molecular Structure of 56-87-1 (L-Lysine) Hazard Symbols IrritantXi
Synonyms

Hexanoic acid, 2,6-diamino-, (S)-;Lys;Aminutrin;Lysine, L- (8CI);Aminutrin, 6-amino-;L-Lysine (USAN);(S)-lysine;(S)-alpha,epsilon-diaminocaproic acid;L-Lysine (9CI);(S)-2,6-diaminohexanoic acid;h-Lys-oh;2,6-Diaminohexanoic acid, (S)-;L-Lysin;L-(+)-Lysine;L-Norleucine, 6-amino-;Lysine acid;Lysine, L-;alpha-Lysine;LYS (IUPAC abbreviation);L-Lysine Base;L-Lysine Free Base;L-Lysine alkali;L-Lysine Feed Grade;L-Lysine,L-Glutamic acid,L-Arginine,L-Cystine;Lysine;(S)-(+)-Lysine;L -lysine;L-Lysine 50% Solution;

 

L-Lysine Specification

 The L-Lysine, with the cas registry number 56-87-1, has the IUPAC name of (2S)-2,6-diaminohexanoic acid. This is a kind of white or almost white crystalline powder with no odour, and it is stable chemically but incompatible with strong oxidizing agents. Besides, its product categories are various, including  Amino Acid Derivatives; Lysine [Lys, K]; Amino Acids; alpha-Amino Acids; Biochemistry; Nutritional Supplements; Amino Acids.

The characteristics of this kind of chemical are as follows: (1)ACD/LogP: -1.04; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): -4.54; (4)ACD/LogD (pH 7.4): -4.5; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 4; (10)#H bond donors: 5; (11)#Freely Rotating Bonds: 7; (12)Polar Surface Area: 32.78; (13)Index of Refraction: 1.503; (14)Molar Refractivity: 38.43 cm3; (15)Molar Volume: 129.9 cm3; (16)Polarizability: 15.23×10-24 cm3; (17)Surface Tension: 51.5 dyne/cm; (18)Density: 1.125 g/cm3; (19)Flash Point: 142.2 °C; (20)Enthalpy of Vaporization: 60.75 kJ/mol; (21)Boiling Point: 311.5 °C at 760 mmHg; (22)Vapour Pressure: 0.000123 mmHg at 25°C; (23)Exact Mass: 146.105528; (24)MonoIsotopic Mass: 146.105528; (25)Topological Polar Surface Area: 89.3; (26)Heavy Atom Count: 10; (27)Formal Charge: 0; (28)Complexity: 106.

The production methods of this chemical are as follows: (1) Free L-Lysine could be obtained from L-lysine hydrochloride. (2) Firstly prepare raw material of Red blood cells, and then suspend it  in sulfuric acid solution; Secondly, use the calcium hydroxide to precipitate, and then go through the washing, crystallization to get L-Lysine (CAS NO.56-87-1). (3) Synthesis method: caprolactam and furfural as the raw material.

As to its usage, it is widely applied in many ways. It could be used as the nutrition enhancer which could enhance the lysine in intensified [enriched] food; It could also used in biochemistry  to cure the symptom of malnutrition, inappetence and hypoplasia; And it could be as the Aminoacetic Acid, and the feed additives.

Below are the safety information of this chemical: Being a kind of irritant chemical, it may cause inflammation to the skin or other mucous membranes, so you should avoid contacting with skin and eyes while using.

Additionally, the following datas could be converted into the molecular structure:
(1)Canonical SMILES: C(CCN)CC(C(=O)O)N
(2)Isomeric SMILES: C(CCN)C[C@@H](C(=O)O)N
(3)InChI: InChI=1S/C6H14N2O2/c7-4-2-1-3-5(8)6(9)10/h5H,1-4,7-8H2,(H,9,10)/t5-/m0/s1
(4)InChIKey: KDXKERNSBIXSRK-YFKPBYRVSA-N 

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