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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

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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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