Chemical Product Library / Reference
Potassium sodium tartrate
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | Potassium sodium tartrate |
|---|---|
| English synonyms | Potassium sodium tartrate;Rochelle salt;Seignette salt |
| Chinese name | 酒石酸钾钠 |
| Chinese synonyms | 罗谢尔盐;酒石酸钾钠;四水酒石酸钾钠 |
| Chemical category | Food Acids & Regulators |
| CAS No. | 6381-59-5 |
| EINECS No. | 204-402-9 |
| Molecular formula | C4H4KNaO6·4H2O |
| Molecular weight | 282.22 |
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%; water 21.0–26.0% (tetrahydrate); heavy metals (as Pb) ≤10 ppm; chloride ≤0.01%
Performance characteristics
White crystalline powder, soluble in water, piezoelectric and chelating properties
Application scenarios
Piezoelectric crystals, food additive, pharmaceutical excipient, analytical reagent (Fehling's solution)