L(+)-Cystein 98+%
Glasflasche für Feststoffe, 25 g
Anbieter: Thermo Fisher Scientific
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Product Details & Documents
Synonyme: H-Cys-OH, L-(+)-Cysteine, (R)-2-Amino-3-mercaptopropanoic acid
- CAS Nummer:52-90-4
- Formel:HSCH₂CH(NH₂)CO₂H
- MDL-Nummer:MFCD00064306
- Molekulargewicht:121.16 g/mol
- Merck-Index:13,02810
- Siedepunkt:254 °C (1013 hPa)
- Schmelzender Platingehalt:220 °C (Zers.)
- Schmelzender Platingehalt:220 °C (Zersetzung)
- Dichte:1,523 g/cm³ (20 °C)
- Lagertemperatur:Kühlschrank
- EINECS:200-158-2
Documents
Technische Daten
Ergebnisse des Spezifikationstests
- Appearance:White to almost white Powder or crystals
- Infrared spectrum:Conforms
- Loss on drying:≤0.5 % (105°C, 3 hrs)
- Solubility:(2.5 % in water) Clear colorless
- Residue after ignition:≤0.1 %
- pH:4.5 to 5.5 (2.5 % in water)
- Specific optical rotation:+7.5° to +9.5° (20°C, 589 nm) (c=8, 5N HCl)
- Titration with HClO4:98.0 to 102.0 %
- Chloride (Cl):≤0.05 %
- Sulfate (SO4):≤0.03 %
- Ammonium (NH4):≤0.02 %
- Iron (Fe):≤10 ppm
- Heavy metals (as Pb):≤10 ppm
Technische Daten
- Packung:Glasflasche für Feststoffe
- VE:25 g
Technische Daten
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