Arginine
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Names | |
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Ither names
2-Amino-5-guanidinopentanoic acid[citation needit]
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Identifiers | |
3D model (JSmol)
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3DMet | B01331 |
1725411, 1725412 R, 1725413 S | |
ChEBI | |
ChEMBL | |
ChemSpider | |
DrugBank | |
ECHA InfoCard | 100.000.738 |
EC Nummer | 230-571-3 |
Gmelin Reference | 364938 R |
KEGG | |
MeSH | Arginine |
PubChem CID
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RTECS nummer | CF1934200 S |
UNII | |
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Properties | |
C6H14N4O2 | |
Molar mass | 174.20 g·mol−1 |
Appearance | White crystals |
Odour | Odourless |
Meltin pynt | 260 °C; 500 °F; 533 K |
Bylin pynt | 368 °C (694 °F; 641 K) |
14.87 g/100 mL (20 °C) | |
Solubility | slightly soluble in ethanol insoluble in ethyl ether |
log P | −1.652 |
Acidity (pKa) | 2.488 |
Basicity (pKb) | 11.509 |
Thermochemistry | |
Speceefic heat capacity, C | 232.8 J K−1 mol−1 (at 23.7 °C) |
Staundart molar entropy S |
250.6 J K−1 mol−1 |
Std enthalpy o formation ΔfH |
−624.9–−622.3 kJ mol−1 |
Std enthalpy o combustion ΔcH |
−3.7396–−3.7370 MJ mol−1 |
Hazards | |
GHS pictograms | ![]() |
GHS signal wird | WAIRNIN |
GHS hazard statements | H319 |
GHS precautionary statements | P305+351+338 |
Lethal dose or concentration (LD, LC): | |
LD50 (Median dose)
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5110 mg/kg (rat, oral) |
Relatit compoonds | |
Except whaur itherwise notit, data are gien for materials in thair staundart state (at 25 °C [77 °F], 100 kPa). | |
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Infobox references | |
Arginine (/ˈɑːrɡɪniːn/, abbreviatit as Arg or R)[1] is an α-amino acid. It wis first isolatit in 1886.
References[eedit | eedit soorce]
- ↑ IUPAC-IUBMB Joint Commission on Biochemical Nomenclature. "Nomenclature and Symbolism for Amino Acids and Peptides". Recommendations on Organic & Biochemical Nomenclature, Symbols & Terminology etc. Archived frae the oreeginal on 29 May 2007. Retrieved 2007-05-17.