Potassium sodium tartrate
Synonym(s):L -(+)-Tartaric acid potassium Sodium salt solution
- CAS NO.:304-59-6
- Empirical Formula: C4H4KNaO6
- Molecular Weight: 210.16
- MDL number: MFCD00065391
- EINECS: 206-156-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-05-20 18:13:44
What is Potassium sodium tartrate ?
Description
Potassium sodium tartrate is a double salt first prepared (in about 1675) by an apothecary, Pierre Seignette, of La Rochelle, France. As a result the salt was known as Seignette's salt or Rochelle salt. Rochelle salt is not to be confused with rock salt, which is simply the mineral form of sodium chloride. Potassium sodium tartrate and mono potassium phosphate were the first materials discovered to exhibit piezo electricity.
It is a colorless to blue - white salt crystallizing in the orthorhombic system. Its molecular formula is KNaC4H4O6·4H2O. It is slightly soluble in alcohol but more completely soluble in water. It has a specific gravity of about 1.79, a melting point of approximately 75°C, and has a saline, cooling taste. As a food additive, its E number is E337.
It has been used medicinally as a laxative. It has also been used in the process of silvering mirrors. It is an ingredient of Fehling's solution, formerly used in the determination of reducing sugars in solutions.
The Uses of Potassium sodium tartrate
Potassium Sodium Tartrate Solution is a chelator used for research purposes.
What are the applications of Application
Potassium sodium tartrate solution is a chelator used for research purposes
Properties of Potassium sodium tartrate
Melting point: | 70~80℃ |
Boiling point: | 100 °C |
Density | 1.24 |
storage temp. | Room Temperature |
solubility | Methanol, Water |
form | Liquid |
color | Clear Colorless |
Water Solubility | g anhydrous/100 g H2O: 31.9 (0°C), 67.8 (20°C), 102 (30°C) [LAN05]; slightly soluble alcohol [MER06] |
Safety information for Potassium sodium tartrate
Computed Descriptors for Potassium sodium tartrate
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