| Customization: | Available |
|---|---|
| CAS No.: | 73-31-4 |
| Formula: | C13h16n2o2 |
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|
Items |
Standards |
Results |
|
Appearance |
As white crystals or crystalline powder; Almost ordorless and taste sour, Soluble in water |
Complied |
|
Identification 1) Ninhydrin test 2)Chromatographic identification 3)IR identification |
Positive Should be required Should be required |
1)Positive 2)Corresponds 3)Corresponds |
|
Optical Rotation |
-15.5~17.5° |
-16.2° |
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Transmittance |
≥98% |
98.9% |
|
Chlorides |
≤0.02% |
Confirm |
|
Heavy metals |
≤10ppm |
Confirm |
|
Arsenic |
≤1ppm |
Confirm |
|
Iron |
≤0.001% |
Confirm |
|
Sulfate |
≤0.048% |
Confirm |
|
Ammonium |
≤0.020% |
Confirm |
|
Residue on ignition |
≤0.1% |
0.01% |
|
Loss on drying |
≤0.05% |
0.3% |
|
Assay |
≥98.0% |
98.9% |
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Conclusion |
Confirm with the requirement. |
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