CAS number: 14808-60-7
Molecular formula: SiO2
molecular weight: 60.084
Chemical structure:
Product name | Silicon Dioxide | |
Shelf life | Two years | |
Inspection Standard | USP32 | |
Items | Specifications | Results |
Identification | Complies | Conforms |
PH | 4.0-8.0 | 6.6 |
Loss on drying | ≤5.0% | 3.9% |
Loss on ignition | ≤8.5% | 5.3% |
Chloride | ≤0.1% | <0.1% |
Sulfate | ≤0.5% | <0.5% |
Arsenic | ≤3PPM | <3PPM |
Heavy metals | ≤0.003% | <0.003% |
Assay | >99% | 99.2% |
Comclusion | It conforms to USP32. |