L(+)-Histidin 98%

Lieferant: Thermo Scientific

166150250 166151000 166155000
ACRO166150250EA 53.1 CHF
ACRO166150250 ACRO166151000 ACRO166155000
L(+)-Histidin 98%
L(+)-Histidin
Formel: C₆H₉N₃O₂
Melting Pt: 282 °C (dec.)
Dichte: 1,44 g/cm³ (20 °C)
Lager Temperatur: Raumtemperatur
MDL Number: MFCD00064315
CAS-Nummer: 71-00-1
EINECS: 200-745-3
Merck Index: 13,04741
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Spezifikation Testergebnisse

Appearance White Crystalline powder or crystals
Infrared spectrum Conforms
Loss on drying ≤0.2 % (105°C, 3 h)
Sulfated ash ≤0.1 %
UV transmittance ≥98 % (c=5, H2O, 430 nm) 1 cm cell
pH 7.0 to 8.5 (2 % in water)
Specific optical rotation +12.0° to +14.0° (20°C, 589 nm) (c=11, 6 N HCl) (on dry substance)
Titration with HClO4 97.5 to 102.5 % (On dry substance)
Chloride (Cl) ≤200 ppm
Sulfate (SO4) ≤200 ppm
Ammonium (NH4) ≤200 ppm
Iron (Fe) ≤10 ppm
Heavy metals (as Pb) ≤10 ppm

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