D-Asparagine Monohydrate
- CAS RN
- 5794-24-1
- Chemical Formula
- C4H8N2O3･H2O
- FW
- 150.13
| 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% |