Arginine

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Arginine
Identifiers
CAS number 7200-25-1 N, 157-06-2 R YesY, 74-79-3 S YesY
PubChem 232, 71070 R, 6322 S
ChemSpider 227 YesY, 64224 R YesY, 6082 S YesY
UNII 94ZLA3W45F YesY
EC nummer 230-571-3
DrugBank DB00125
KEGG C02385 N
MeSH Arginine
ChEBI CHEBI:29016 YesY
ChEMBL CHEMBL212301 N, CHEMBL1485 N
IUPHAR ligand 721
RTECS nummer CF1934200 S
ATC code B05XB01 S
Beilstein Reference 1725411, 1725412 R, 1725413 S
Gmelin Reference 364938 R
3DMet B01331
Jmol-3D images Image 1
Image 2
Properties
Molecular formula C6H14N4O2
Molar mass 174.20 g mol−1
Appearance White crystals
Odor Odourless
Meltin pynt

260 °C, 533 K, 500 °F

Boilin pynt

368 °C, 641 K, 694 °F

Solubility in water 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
Std enthalpy o
formation
ΔfHo298
−624.9–−622.3 kJ mol−1
Std enthalpy o
combustion
ΔcHo298
−3.7396–−3.7370 MJ mol−1
Staundart molar
entropy
So298
250.6 J K−1 mol−1
Speceefic heat capacity, C 232.8 J K−1 mol−1 (at 23.7 °C)
Hazards
MSDS Sigma-Aldrich
GHS pictograms The exclamation-mark pictogram in the Globally Harmonized Seestem o Classification an Labellin of Chemicals (GHS)
GHS signal wird WAIRNIN
GHS hazard statements H319
GHS precautionary statements P305+351+338
EU classification Irritant Xi
R-phrases Template:R36
S-phrases S26
LD50 5110 mg/kg (rat, oral)
Related compounds
Relatit alkanoic acids
Relatit compoonds
 N (verify) (what is: YesY/N?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Arginine (/ˈɑrɡɪnn/, abbreviatit as Arg or R)[1] is an α-amino acid. It wis first isolatit in 1886.

References[eedit | eedit soorce]

  1. IUPAC-IUBMB Joint Commission on Biochemical Nomenclature. "Nomenclature and Symbolism for Amino Acids and Peptides". Recommendations on Organic & Biochemical Nomenclature, Symbols & Terminology etc. Archived from the original on 29 May 2007. Retrieved 2007-05-17.