Potassium sodium tartrate tetrahydrate, commonly known as Rochelle salt, is a double salt of tartaric acid. It was among the first materials discovered to exhibit piezoelectricity, leading to its historical use in electronic components such as crystal phonograph cartridges, microphones, and earpieces.
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CAS 6381-59-5
Sodium tartrate
food emulsifier and sequestrant
EDTA disodium salt
chelating agent for metal ions
Trisodium 3,3',3''-phosphinetriyltris(benzene-1-sulphonate)
ligand for homogeneous catalysis
Sodium edetate
chelating agent for industrial processes
Etanol
Solvent and chemical intermediate
Potassium bitartrate
food acidity regulator and raising agent
L-tartaric acid
Food additive and acidulant
DL-TARTARIC-2,3-D2 ACID
deuterated tartaric acid research standard
potassium;sodium;(2R,3R)-2,3-dihydroxybutanedioate;tetrahydrate
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[C@@H]([C@H](C(=O)[O-])O)(C(=O)[O-])O.O.O.O.O.[Na+].[K+]