Chemical Product Library / Reference
Sodium persulfate
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | Sodium persulfate |
|---|---|
| English synonyms | SPS;Sodium persulfate;Sodium peroxodisulfate |
| Chinese name | 过硫酸钠 |
| Chinese synonyms | SPS;过硫酸钠;过氧二硫酸钠 |
| Chemical category | Polymerization Initiators |
| CAS No. | 7775-27-1 |
| EINECS No. | 231-892-1 |
| Molecular formula | Na2S2O8 |
| Molecular weight | 238.1 |
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.
Technical indicators
Assay ≥99.0%; active oxygen ≥6.6%; chloride ≤0.001%; iron ≤0.001%; moisture ≤0.1%
Performance characteristics
White crystalline powder, water-soluble free-radical initiator and oxidant
Application scenarios
Polymerization initiator, PCB etching, soil remediation (chemical oxidation)