| Items | Specifications |
| Appearance | white powder, sweet, insipid |
| Assay | ≥98% |
| The average substitution | Perfect |
| Moisture content | ≤4.5% |
| Residue on Ignition | ≤1.5% |
| Heavy metal (Pb) | ≤0.0025% |
| AS | ≤0.0002% |
| The total number of germ | ≤1000 |
| The total number of mould | ≤100 |
| Pathogenic bacteria | None |