L(-)-Proline 99+%
Glass bottle, 500 g
: (S)-(-)-ProlineH-Pro-OHL-Proline, H-Pro-OH
- :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)
- Pack type:Glass bottle
- Pk:500 g
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