Chemicals

D-(-)-Asparagine monohydrate

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CAS No: 2058-58-4

Product Name: D-(-)-Asparagine monohydrate

Other Name:

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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