| CAS No.: | 3230-94-2 |
|---|---|
| Formula: | C5h12n2o2.C4h7no4 |
| EINECS: | 221-772-7 |
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| Items | Standard |
| Appearance | White crystals or crystalline powder |
| Identification | Infrared absorption |
| Specific rotation [α] D 20 | +27.0 to +30.0° |
| State of solution (Transmittance) | Not less than 98.0% |
| Chloride(Cl) | Not more than 0.03 % |
| Ammonium(NH4 ) | Not more than 0.02 % |
| Sulfate(SO4 ) | Not more than 0.020 % |
| Iron(Fe) | Not more than 30 ppm |
| Heavy metals(Pb) | Not more than 10 ppm |
| Arsenic(as As2O3 ) | Not more than 2ppm |
| Other amino acids | Chromatographically Not detectable |
| Loss on Drying | Not more than 7.0 % |
| Assay | 98.0 to 101.0% |
| pH | 5.0 to 6.5 |
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