L(+)-Arginine 98+%

Supplier: Thermo Scientific
Warning

Synonyms: H-L-Arg-OH, (S)-2-Amino-5-guanidinopentanoic acid, Arginine, (S)-(+)-Arginine, L-Arginine, H-Arg-OH

104991000 104995000 104990025 104990100
ACRO104991000EA 80.9 EUR
ACRO104991000 ACRO104995000 ACRO104990025 ACRO104990100
L(+)-Arginine 98+%
L(+)-Arginine
Formula: C₆H₁₄N₄O₂
MW: 174,2 g/mol
Boiling Pt: 368 °C (1013 hPa)
Melting Pt: 223…224 °C (dec.)
Density: 1,3 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00002635
CAS Number: 74-79-3
EINECS: 200-811-1
Merck Index: 13,00785

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Specification Test Results

Appearance White to almost white Crystalline powder or crystals
Infrared spectrum Conforms
Loss on drying ≤0.5 % (1 g, 105°C)
Residue after ignition ≤0.3 %
Specific optical rotation +25.8° to +28.5° (20°C, 589 nm) (c=8, 6 N HCl) (on dried substance)
Titration with HClO4 98.0 to 102.0 % (on dried substance)
Chloride (Cl) ≤500 ppm
Sulfate (SO4) ≤300 ppm
Iron (Fe) ≤30 ppm
Heavy metals (as Pb) ≤15 ppm

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