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Rochelle's Salt

(Potassium Sodium Tartrate)

Other Names:

Potassium sodium tartrate tetrahydrate

Sodium potassium L(+)-tartrate tetrahydrate

L(+)-Tartaric acid potassium sodium salt

Seignette’s salt

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General Information:

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Structure:

CAS Number: 6381-59-5

Molecular Weight: 282.1 g/mol

Appearance: Colorless solid

Melting Point: 75 C

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Common Uses:

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- Aqueous Rochelle’s salt is used to quench DIBAL-H reactions

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References:

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1) Wikipedia: Potassium sodium tartrate (link)

2) www.sigmaaldrich.com: Potassium sodium tartrate tetrahydrate (link)