L(+)-Asparagine monohydrate, meets analytical specification of Ph.Eur.
Supplier: Thermo Scientific
Synonyms:
L-Asparagine monohydrate, H-Asn-OH·H₂O, (S)-(+)-Asparagine monohydrate, (S)-2,4-Diamino-4-oxobutanoic acid hydrate, H-Asn-OH.H2O
401480010
401481000
401482500
ACRO401480010EA
713
GBP
ACRO401480010
ACRO401481000
ACRO401482500
L(+)-Asparagine monohydrate, meets analytical specification of Ph.Eur.
L(+)-Asparagine monohydrate
Formula:
C₄H₈N₂O₃·1H₂O MW: 150,13 g/mol Melting Pt: 233…235 °C Density: 1,567 g/cm³ (20 °C) Storage Temperature: Ambient |
MDL Number:
MFCD00151038 CAS Number: 5794-13-8 |
Specification Test Results
Appearance | Colorless to white to almost white Crystalline powder or crystals |
Infrared spectrum | Conforms |
Loss on drying | 10.5 % to 12.5 % (1 g, 130°C, 3 h) |
Sulfated ash | ≤0.1 % (1 g) |
Appearance of solution | Clear colorless |
Related substances | ≤0.8 % (total impurities) |
pH | 4.0 to 6.0 |
Specific optical rotation | +33.7° to +36.0° (20°C, 589 nm) (on dried substance) |
Titration with HClO4 | 99.0 to 101.0 % (on dried substance) |
Sulfates | ≤200 ppm |
Chlorides | ≤200 ppm |
Ammonium (NH4) | ≤0.1 % |
Iron (Fe) | ≤10 ppm |
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