CAS NO.:10102-17-7
Molecular Formula:Na2S2O3?5H2O
Structural Formula:
Molecular Weight:248.19
Appearance:Colorless and transparent crystalline or crystalline fine particles.
Use:Antidote。
Packing:25kg/Drum
Specification Standard:Pharmacopoeia of the people's Republic of China, 2020 Edition (Volume 2)
Item |
Index |
Appearance |
Colorless and transparent crystalline or crystalline fine particles. Odorless. |
Assay |
≥99.0% |
pH |
6.0~8.4 |
Sulfate and Sulfite |
≤0.2% |
Loss on drying |
32.0%~37.0% |
Heavy metals |
≤20ppm |
Arsenic |
≤10ppm |