Nomenclature
CAS number: 589-97-9
C
2K
2O
6; mol wt 198.21.
C 12.12%, K 39.45%, O 48.43%.
K
2C
2O
6.
Description and references
Prepn of practically anhydr compd: Partington,
Fathallah, J. Chem. Soc. 1950, 1934.
Derivative
Monohydrate.
Properties
White, granular mass. Sol in water with evolution
of oxygen. One part potassium percarbonate is sol in 15 parts of
cold water; dec in boiling water; 100 parts water dissolve 6.5 parts
potassium percarbonate at ordinary temp. Keep
dry and protected from light.Caution
Strong irritant. Causes vomiting
if swallowed. Large quantities can be fatal.Use
Has been used in microscopy for detecting tubercle
bacilli stained with fuchsin in smears; in photography under the name
Anti-hypo, to remove last traces of sodium thiosulfate; also as oxidizing
agent in chem analyses, but is no longer favored.