CAS number： 86426-17-7
Molecular formula： C6H14N2O2
molecular weight：
Chemical structure：
| Inspection item | Standard form | Result | |
| Character | White or almost white crystalline powder, very hygroscopic | White crystalline powder | |
| Solubility | Very soluble in water, soluble in methanol and 96% ethanol, almost insoluble in chloroform | Complies | |
| Indentification | (1) Qualitative reaction with Dragandorf reagent Formation of orange sediment | Complies | |
| (2) The IR spectrum of the substance by the position of the absorption bands should correspond to the IR spectrum of the standard sample | |||
| Melting point | 85.0 – 90.0℃ | 85.6℃ | |
| Clearness of solution Color of solution | A 20% solution of the substance in water must be clear | Complies | |
| A 20% solution of the substance in water must be colorless | |||
| PH (10% solution) | 7.5 – 8,3 | 8.0 | |
| Any single impurity (HPLC) | Not more than 0,1% | 0.04% | |
| The total impurity (HPLC) | Not more than 0,5% | 0.04% | |
| Chlorides | Less than 0.01% | Complies | |
| Bromides | Not detected | Not detected | |
| Sulphates | Less than 0.05% | Complies | |
| Sulphated ash | Less than 0.1% | 0.07% | |
| Heavy metals | Not more than 0.001% | Complies | |
| Water | Not less than 19,7% but not more than 21% | 19.80% | |
| Organic residues | Methanol | Less than 0.3% | Not detected |
| Ethanol | Less than 0.5% | 0.08% | |
| Assay | 99.0%-101.0% | 99.7% | |
| Bacterial endotoxins | Not more than 0.35 IU/mg | Complies | |
| Microbiological purity | Total plate count: ≤1000/g | <30/g | |
| Fungi: ≤100/g | <20/g | ||
| Salmonella: Not detected | Not detected | ||
| E.coli: Not detected | Not detected | ||
| Staphylococcus aureus :Not detected | Not detected | ||
