7653. Potassium Perchlorate

Nomenclature

CAS number: 7778-74-7
Perchloric acid potassium salt (1:1); peroidin; Perchloracap (Mallinckrodt).
ClKO4; mol wt 138.55.
Cl 25.59%, K 28.22%, O 46.19%.
KClO4.

Properties

Colorless crystals or white, cryst powder. Oxidizer. Dec at 400°; also dec by organic matter, oxidizable substances and on concussion, but is less reactive than the chlorate. d 2.52. Sol in 65 parts cold water, 15 parts boiling water. Practically insol in alcohol.

Use

In explosives, pyrotechnics and photography. Oxidizing agent.