L(+)-Asparagine monohydrate 99%
Supplier: Thermo Scientific
ACRO175270050EA
1110
EUR
ACRO175270050
ACRO175271000
ACRO175270010
ACRO175272500
L(+)-Asparagine monohydrate 99%
L(+)-Asparagine monohydrate
Specification Test Results
Appearance | White Crystalline powder |
Infrared spectrum | Conforms |
Loss on drying | 11.5 % to 12.5 % (130°C, 3 hrs) |
Sulfated ash | ≤0.1 % |
UV transmittance | ≥98 % (c=2, H2O, 430 nm) 1 cm cell |
Specific optical rotation | +33.5° to +36.5° (20°C, 589 nm) (c=10, 6 N HCl) (on dry substance) |
Titration with HClO4 | 98.5 to 101.5 % (On dried substance) |
Chloride (Cl) | ≤210 ppm |
Sulfate (SO4) | ≤280 ppm |
Ammonium (NH4) | ≤1000 ppm |
Arsenic (As) | ≤1 ppm |
Iron (Fe) | ≤10 ppm |
Heavy metals (as Pb) | ≤10 ppm |
Other amino acids | ≤1 % (TLC) |
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