L (+)-asparagin monohydrat, meets analytical specification of Ph.Eur.

Leverantör: 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 7750 SEK
ACRO401480010 ACRO401481000 ACRO401482500
L (+)-asparagin monohydrat, meets analytical specification of Ph.Eur.
L (+)-asparagin monohydrat
Formel: C₄H₈N₂O₃·1H₂O
MW: 150,13 g/mol
Smältpunkt: 233…235 °C
Densitet: 1,567 g/cm³ (20 °C)
Storage Temperature: Omgivande
MDL Number: MFCD00151038
CAS nummer: 5794-13-8

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Specifikation testresultat

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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