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ChemicalBook--->CAS DataBase List--->589-97-9

589-97-9

589-97-9 Structure

589-97-9 Structure
IdentificationBack Directory
[Name]

Peroxydicarbonic acid, dipotassium salt
[CAS]

589-97-9
[Synonyms]

Peroxydicarbonic acid, dipotassium salt
[Molecular Formula]

C2K2O6
[MOL File]

589-97-9.mol
[Molecular Weight]

162.14
Chemical PropertiesBack Directory
[Melting point ]

200–300℃ [HAW93]
[form ]

or blue powder
[color ]

orange
[Water Solubility ]

1 part/15 parts cold H2O; evolves O2 in hot H2O [MER06]
[CAS DataBase Reference]

589-97-9
Hazard InformationBack Directory
[Chemical Properties]

white, granular mass; sensitive to light [MER06]
[Physical properties]

The monohydrate consists of a white granular mass; starts melting above 200°C; soluble in water, about 15 g/100mL at 20°C; decomposes in boiling water, evolving oxygen.
[Uses]

Potassium percarbonate is used in photography under the name “Antihypo” for removing the last traces of thiosulfate from film and paper. It is a strong oxidizing agent in certain chemical analysis; and in microscopic identification of tubercle bacilli.
[Preparation]

Potassium percarbonate can be prepared by electrolysis of potassium car-bonate, K2CO3.
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