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L(+)-Asparagine monohydraté, meetSpec_Ph.Eur.

Marques : Thermo Fisher Scientific
Ratings: Ecrire un avis

Total Evaluation: 0
Moyenne des Notes : 0.0 sur 5

Synonyme(s): L-Asparagine monohydraté, (S)-(+)-Asparagine monohydraté

401480010 401481000 401482500
ACRO401480010EA 618 EUR
ACRO401480010 ACRO401481000 ACRO401482500
L(+)-Asparagine monohydraté, meetSpec_Ph.Eur.
L(+)-Asparagine monohydraté
Formule: C₄H₈N₂O₃·1H₂O
Poids moléculaire: 150.13 g/mol
Point de fusion: 233…235 °C
Température de stockage: Température ambiante
Numéro MDL: MFCD00151038
Numéro CAS: 5794-13-8
Indice Merck: 14,00837

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Résultats des tests de spécification

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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