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D-Asparagine Monohydrate / D-アスパラギン一水和物

CAS No.
5794-24-1
Chemical Formula
C4H8N2O3・H2O      
FW
150.13
Code No. Package Size
29411 -
29412 1kg
29413 5kg
29414 10kg
5794-24-1
Solubility in water Colorless & clear (c=2)
Specific rotation (20 °C) -33.5°~-36.5°(c= 10, 6M-HCl)
Loss on drying 11.5%~12.5%
Residue on ignition (as sulfate) Not more than 0.1%
Chloride (Cl) Not more than 0.03%
Sulfate (SO4) Not more than 0.03%
Heavy metals (as Pb) Not more than 10ppm
Iron (Fe) Not more than 10ppm
Ammonium (NH4) Not more than 0.02%
Arsenic (As2O3) Not more than 1ppm
Other amino acid (D-Asp) Not more than 1.0% by T.L.C
(The spotted amount, 20 mg)
Assay (as anhydrous) 98.5%~101.0%
L-Isomer Not more than 0.5%



   

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