L(-)-prolina 99+%
Dostawca: Thermo Scientific
ACRO157625000EA
3280
PLN
ACRO157625000
ACRO157620050
ACRO157620250
ACRO157621000
L(-)-prolina 99+%
L(-)-prolina
Formuła:
C₅H₉NO₂ MW: 115,13 g/mol Temp. Wrzenia: 245 °C (1013 hPa) Temp. topnienia: 228…233 °C Gęstość: 1,35 g/cm³ Temperatura przechowywania: Temperatura otoczenia |
Numer MDL:
MFCD00064318 Numer CAS: 147-85-3 Numer WE (dawny EINECS): 205-702-2 Klasyfikacja Merck : 13,07871 |
Wyniki testów specyfikacyjnych
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) |
Heavy metals (as Pb) | ≤5 ppm |
Insoluble matter | ≤0.005 % (in water) |
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