Title: Potassium Binoxalate
CAS Registry Number: 127-95-7
Additional Names: Potassium acid oxalate; salt of sorrel; sal acetosella
Molecular Formula: C2HKO4
Molecular Weight: 128.13
Percent Composition: C 18.75%, H 0.79%, K 30.51%, O 49.95%
Line Formula: KOOCCOOH
Literature References: Incorrectly salt of lemon. The same synonyms apply to potassium tetraoxalate.
Derivative Type: Monohydrate
Properties: White, odorless crystals. Poisonous! d 2.0. Sol in 40 parts cold, 6 parts boiling water, slightly in alcohol. pH of 0.1 molar aq soln: 2.7.
Density: d 2.0
Use: Removing ink stains, scouring metals, cleaning wood; photography; as mordant in dyeing; bleaching stearic acids.