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L(+)-Arginine Cas 74-79-3 L-Arg

L-arginine is an organic substance called amino acid. Usually, the body produces all necessary L-arginine. L-arginine can also be obtained through diet, such as nuts, fish, red meat, soybeans, whole grains, legumes, and dairy products.
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  • 74-79-3

  • bosschemical

  • 74-79-3

L(+)-Arginine Basic information
Product Name: L(+)-Arginine
CAS: 74-79-3
MF: C6H14N4O2
MW: 174.2
EINECS: 200-811-1
Mol File: 74-79-3.mol
L(+)-Arginine Chemical Properties
Melting point 222 °C (dec.) (lit.)
alpha 27.1 º (c=8, 6N HCl)
Boiling point 305.18°C (rough estimate)
bulk density 640kg/m3
density 1.2297 (rough estimate)
FEMA 3819 | L-ARGININE
refractive index 27 ° (C=8, 6mol/L HCl)
storage temp. 2-8°C
solubility H2O: 100 mg/mL
pka 1.82, 8.99, 12.5(at 25℃)
form powder
color white
PH 10.5-12.0 (25℃, 0.5M in H2O)
PH Range 10.5 - 12
Odor Faint
Odor Type bland
optical activity [α]20/D +27°, c = 8 in 6 M HCl
biological source synthetic
Water Solubility 148.7 g/L (20 ºC)
λmax λ: 260 nm Amax: ≤0.2
λ: 280 nm Amax: ≤0.1
Sensitive Air Sensitive
Merck 14,780
JECFA Number 1438
BRN 1725413
Specific Activity 1035-1401nmol/min·mg
Stability: Stable. Incompatible with strong oxidizing agents.
InChIKey ODKSFYDXXFIFQN-BYPYZUCNSA-N
LogP -4.2
CAS DataBase Reference 74-79-3(CAS DataBase Reference)
NIST Chemistry Reference L-Arginine(74-79-3)
EPA Substance Registry System L-Arginine (74-79-3)

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