Lysine (9CI)
DL-lysine
CAS: 70-54-2
Molecular Formula: C6H14N2O2
Lysine (9CI) - Names and Identifiers
| Name | DL-lysine |
| Synonyms | DL-Lysin DL-lysine DL-Lysine Lysine (9CI) DL-Lysine Base Lysine, DL- (8CI) DL-Lysine solution DL-a,e-Diaminocaproic acid rac-(S*)-2,6-Diaminohexanoic acid Piperazine, 1-(2,5-dimethylphenyl)- |
| CAS | 70-54-2 |
| EINECS | 200-740-6 |
| InChI | InChI=1/C6H14N2O2/c7-4-2-1-3-5(8)6(9)10/h5H,1-4,7-8H2,(H,9,10) |
Lysine (9CI) - Physico-chemical Properties
| Molecular Formula | C6H14N2O2 |
| Molar Mass | 146.19 |
| Density | 1,12 g/cm3 |
| Melting Point | 170°C (dec.)(lit.) |
| Boling Point | 265.81°C (rough estimate) |
| Flash Point | 142.2°C |
| Solubility | Methanol (Slightly), Water (Slightly) |
| Vapor Presure | 0.000123mmHg at 25°C |
| Appearance | Solid |
| Color | Pale Yellow to Light Beige |
| pKa | 2.49±0.24(Predicted) |
| Storage Condition | under inert gas (nitrogen or Argon) at 2–8 °C |
| Sensitive | Sensitive to light |
| Refractive Index | 1.4650 (estimate) |
| MDL | MFCD00064432 |
| Use | Biochemical research. Medium preparation. |
| In vitro study | D-Lysine produces from L-Lysine by successive chemical racemization and microbial asymmetric degradation. L-Lysine is enantiomer of D-Lysine. D-Lysine exists in all living organisms, ranging from bacteria to humans. D-Lysine is a potentially toxic compound. |
Lysine (9CI) - Risk and Safety
| Safety Description | 24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 3-10 |
| HS Code | 29224110 |
Lysine (9CI) - Reference
| Reference Show more | 1. Wang Jian, Sun Yu, Chen Lili, Han Zhenzhen, Sun proficient. Evaluation of different metabolites in processed products of Polygonum multiflorum Thunb based on ~ 1H-NMR metabolomics [J]. Modern medicine and clinic, 2020,35(08):1537-1543. 2. [IF = 4.556] Dandan Zhao et al."Physico-chemical properties and free amino acids profiles of six wolfberry cultivars in Zhongning." J Food Compos Anal. 2020 May;88:103460 3. [IF = 4.379] Feng Lin et al."Chemical profile changes during pile fermentationof Qingdao tea effect inhibition of alpha-amylase and lipase." Sci Rep-Uk. 2020 Feb;10(1):1-10 4. [IF = 4.242] Hang Yang et al."Dietary leucine requirement of juvenile largemouth bass (Micropterus salmoides) based on growth, nutrient utilization and growth-related gene analyses."Aquaculture. 2022 Jun;555:738207 |
Lysine (9CI) - Introduction
It's hygroscopic. Soluble in water, slightly soluble in ethanol, insoluble in ether.
Last Update：2022-10-16 17:28:03
Lysine (9CI) - Reference Information
| biological activity | DL-Lysine is a racemic mixture of D-Lysine and L-Lysine. Lysine is an α-amino acid that can be used in protein biosynthesis. |
| in vitro study | D-Lysine produces from L-Lysine by successive chemical racemization and microbial asymmetric degradation. L-Lysine is enantiomer of D-Lysine. D-Lysine exists in all living organisms, ranging from bacteria to humans. D-Lysine is a potentially toxic compound. |
| use | biochemical research. Medium preparation. |
| Production method | It can be extracted from the protein hydrolysate produced by the co-heating of protein and alkali or when dihydropyran is used as raw material for organic synthesis production, The product is DL-lysine. In fact, it is an equivalent mixture of D-lysine molecules and L-lysine molecules, which are optical isomers. |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
Last Update：2024-04-10 22:29:15
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