D-(-)-Asparagine monohydrate

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CAS No: 2058-58-4
Product Name: D-(-)-Asparagine monohydrate
Other Name:
D-(-)-Asparagine monohydrate
D-Asparagin
H-D-Asn-OH·H2O
D-b-Asparagine
Aspartic Acid b-Amide
2-Aminosuccinamic acid
H-D-Asn-OH
(R)-2,4-Diamino-4-oxobutanoic acid
a-Aminosuccinamic acid
(2R)-2,4-diamino-4-oxobutanoic acid
(R)-2-Aminosuccinamic acid
 
Density: 1.4±0.1 g/cm3
Boiling Point: 438.0±40.0 °C at 760 mmHg
Melting Point: 280ºC (dec.)
Molecular Formula: C4H8N2O3
Molecular Weight: 132.118
Flash Point: 218.7±27.3 °C
Exact Mass: 132.053497
PSA: 106.41000
LogP: -1.51
Vapour Pressure: 0.0±2.3 mmHg at 25°C
Index of Refraction: 1.533
 
Specification
Appearance: White powder crystal
Assay: ≥99.0%
Specific rotation: -34.2 ~ -36.5 °
Loss on drying: 11.5% ~ 12.5%
Chloride: ≤0.02%
Ammonium: ≤0.1%
Sulfate: ≤0.02%
Iron: ≤10ppm
Heavy metal: ≤10ppm
Arsenic: ≤1ppm
Residue on ignition: ≤0.1%
 
Application
Amino Acid Derivatives. Be used as pharmaceutical intermediates.
 
Package: 25kg/drum, can also be designed according to customer requirements.
Storage: Store in cool place. Keep container tightly closed in a dry and well-ventilated place.

D-(-)-Asparagine monohydrate


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