DL-Cysteine hydrochloride hydrate 99%
Marques : Thermo Fisher ScientificTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
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Attention
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Synonyme(s):
H-DL-Cys-OH.HCl
Formule:
C₃H₇NO₂S·HCl·xH₂O Point de fusion: 109…112 °C Température de stockage: Température ambiante |
Numéro MDL:
MFCD00151030 Numéro CAS: 96998-61-7 |
Résultats des tests de spécification
Appearance | White Crystalline powder or crystals |
Infrared spectrum | Conforms |
Titration Iodimetric | 98.5 to 101.5 % (on dried substance) |
Loss on drying | 8.5 % to 12 % (vacuum, P2O5, room temp., 20 h) |
Sulfated ash | ≤0.1 % |
UV transmittance | ≥98 % (c=10, H2O, 430 nm) 1 cm cell |
Sulfate (SO4) | ≤280 ppm |
Iron (Fe) | ≤10 ppm |
Arsenic oxide (As2O3) | ≤1 ppm |
Heavy metals (as Pb) | ≤10 ppm |
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