L(-)-Proline 99+%

: Thermo Fisher Scientific

L(-)-Proline 99+%

: Thermo Fisher Scientific

:147-85-3

:

:C₅H₉NO₂

:MFCD00064318

:115.13 g/mol

:13,07871

:245 °C (1013 hPa)

:228…233 °C

:1,35 g/cm³

:Ambient

:205-702-2

Appearance:
White Crystalline powder or crystals
Infrared spectrum:
Conforms
Loss on drying:
≤0.3 % (105°C, 3 hrs)
Sulfated ash:
≤0.1 %
UV transmittance:
≥95 % (c=10, H2O, 430 nm) 1 cm cell
pH:
5.5 to 7 (2.5 % at 25°C)
Specific optical rotation:
-84.5° to -86.8° (20°C, 589 nm) (c=4, H2O)
Titration with HClO4:
99.0 to 101.0 %
Chloride (Cl):
≤200 ppm
Sulfate (SO4):
≤200 ppm
Ammonium (NH4):
≤200 ppm
Arsenic (As):
≤1 ppm
Iron (Fe):
≤10 ppm
Heavy metals (as Pb):
≤10 ppm
Other amino acids:
≤0.5 % (TLC)
Insoluble matter:
≤0.005 % (in water)

ACRO15762

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