L (+)-asparagin monohydrat 99%

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

175271000 175272500 175270010 175270050
ACRO175271000EA 1325 SEK
ACRO175271000 ACRO175272500 ACRO175270010 ACRO175270050
L (+)-asparagin monohydrat 99%
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
EINECS: 200-735-9
Merck Index: 14,00837

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Specifikation testresultat

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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