【How-to】Is potassium manganate an acid

Potassium Fluoride is a white, crystalline (sand-like) powder with a sharp, salty taste. It is used in etching glass, as a preservative, and as an insecticide. * Potassium Fluoride is on the Hazardous Substance List because it is regulated by OSHA and cited by ACGIH, DOT, NIOSH and IARC.