|Reaction of water soiution||qualified|
|Insolude water ≤%||0.01|
|Packing||in 25kg bag|
|Storage||20℃, 2 years.|
|Shipping||Room temperature in China; may vary elsewhere|
|Common Names||Potassium sodium tartrate | Seignette salt | Rochelle Salt|
|CAS No.||304-59-6,6381-59-5||Boiling Point (℃)||100 °C|
|Molecular Weight||282.22||Melting Point (℃)||70~80℃|
|Appearance||White powder||Vapor Specific Gravity||1.24 g/cm3|
|HS Code||2918130000||Flash Point (℃)||209.4ºC|
|Solubility||Soluble in water, methanol, propyl alcohol, glycerol and ethanol, insoluble in chloroform||Autoignition Temperature (℃)|
Physical and Chemical Properties
Potassium sodium tartrate is a colorless to blue-white orthorhombic crystal, soluble in water, slightly soluble in alcohol, tastes salty and cool, and its aqueous solution is slightly alkaline. It begins to lose crystal water at 60°C, and loses all of its crystal water at 215°C.
Application of Potassium Sodium Tartrate
Its piezoelectric properties can be used to make piezoelectric elements, which are used in receivers and pickups for radio and cable broadcasting. Still, it has the disadvantages of easy decomposition, brittle performance, and easy solubility in water. It is also used for baking powder, medicine, mirror plating and as a chemical reagent.