| Appearance | White or almost white granules |
| Identification (1)、(2) | Conforms |
| Assay | 87.5-92.5 % |
| Loss on drying | Not more than 2.4% |
| Granularity | Pass USS10 mesh completely not more than 10% can’t pass USS20 mesh not more than 25% pass USS80 mesh |
| Density | 0.57-0.63 g/cm3 |
| Microbial limit: Bacteria Molds and yeasts Escherichia Coli | NMT 1000CFU/G NMT 100CFU/G NONE |