[Character]White or light yellow crystal or crystalline powder, odorless, light according to the gradient dark; for a long time in moist air, slowly absorb carbon dioxide and precipitation of sulfamethoxazole isoxazole encounter.

[Loss of Drying]less than 3.0%
[Alkalinity]pH:8.0-10.0
[Assay]more than 98%（the dried）
[Package]25kg/drum