Potassium Tetroxalate
Title: Potassium Tetroxalate
CAS Registry Number: 127-96-8
Additional Names: Potassium quadroxalate; sal acetosella; salt of sorrel
Molecular Formula: C4H3KO8
Molecular Weight: 218.16
Percent Composition: C 22.02%, H 1.39%, K 17.92%, O 58.67%
Line Formula: KHC2O4.H2C2O4
Literature References: Incorrectly called essential salt of lemons.
Derivative Type: Dihydrate
Properties: Colorless or white crystals; permanent in air. Sol in 60 parts cold, 12 parts boiling water; slightly sol in alcohol.
Use: Removing rust and ink spots; in metal polishes; in analytical chemistry.

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