L(+)-Asparagine monohydrate 99%

Supplier: THERMO FISHER SCIENTIFIC CHEMICALS

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ThermoScintific Chemicals

ThermoScintific Chemicals

Synonyms: L-Asparagine monohydrate, H-Asn-OH·H₂O, (S)-(+)-Asparagine monohydrate, (S)-2,4-Diamino-4-oxobutanoic acid hydrate, H-Asn-OH.H2O

17527-0010 17527-0050 17527-1000 17527-2500

TS17527-0010EA 292 USD

TS17527-0010 TS17527-0050 TS17527-1000 TS17527-2500

L(+)-Asparagine monohydrate 99%

L(+)-Asparagine monohydrate

Formula: C₄H₈N₂O₃·1H₂O
MW: 150.13 g/mol
Melting Pt: 233…235 °C
Storage Temperature: Ambient

MDL Number: MFCD00151038
CAS Number: 5794-13-8
EINECS: 200-735-9
Merck Index: 14,00837

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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