L(+)-Leucine 99%

: Thermo Fisher Scientific

L(+)-Leucine 99%

: Thermo Fisher Scientific

:61-90-5

:C₆H₁₃NO₂

:MFCD00002617

:131.17 g/mol

:14,05451

:286…288 °C

:1,165 g/cm³ (20 °C)

:Ambient

:200-522-0

Appearance:
White Crystalline powder or crystals
Infrared spectrum:
Conforms
Loss on drying:
≤0.2 % (105°C, 3 hrs)
Sulfated ash:
≤0.4 %
UV transmittance:
≥95 % (c=10, 2 N HCl, 430 nm) 1 cm cell
pH:
5.5 to 7.0 (1 % in water)
Specific optical rotation:
+14.5° to +17.3° (20°C, 589 nm) (c=4, 6 N HCl)
Titration with HClO4:
98.5 to 101.5 %
Chloride (Cl):
≤500 ppm
Sulfate (SO4):
≤300 ppm
Iron (Fe):
≤30 ppm
Heavy metals (as Pb):
≤20 ppm
Other amino acids:
≤0.5 % (TLC)

ACRO12512

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