Agent Name

Potassium tetroxalate

CAS Number

127-96-8

Formula

C2-H2-O4.1/2K

Major Category

Metals

Synonyms

Ethanedioic acid, potassium salt (2:1); Potassium trihydrogen dioxalate; [ChemIDplus] Potassium quadroxalate; Sal acetosella; Salt of sorrel; [Merck Index]

Category

Organic Acids, Metal Salts

Description

Dihydrate: Colorless or white solid; [Merck Index] Colorless or white crystals; [Mallinckrodt Baker MSDS]

Sources/Uses

Used as a chemical reagent and in spot removers and metal polishes; [Merck Index]

Comments

The dihydrate is CAS# 6100-20-5; May cause irritation; [Mallinckrodt Baker MSDS] May cause irritation; Inhalation or ingestion may cause cardiac disturbances and CNS depression; [Acros Organics MSDS] See "Oxalic acid."

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