Potassium bicarbonate dry chemical fire extinguishers, as the principal component of the Purple-K dry chemical, and in some applications of condensed aerosol fire suppression. It is the only dry chemical fire suppression agent recognized by the U.S. National Fire Protection Association for firefighting at airport crash rescue sites. It is about twice as effective in fire suppression as sodium bicarbonate. Potassium bicarbonate is an effective fungicide against powdery mildew and apple scab, allowed for use in organic farming. Potassium bicarbonate has widespread use in crops, especially for neutralizing acidic soil. The word "saleratus", from Latin "sal æratus" meaning "aerated salt", was widely
Potassium amyl xanthate compound. Potassium amyl xanthate Potassium amyl xanthate is an organosulfur compound with the chemical formula CH(CH)OCSK. It is a pale yellow powder or pellet with a pungent odor, soluble in water. It is widely used in the mining industry for the separation of ores using the flotation process. Potassium amyl xanthate is prepared by reacting amyl alcohol with carbon disulfide and potassium hydroxide. Potassium amyl xanthate is a pale yellow powder that is relatively stable between pH 8 and 13 with a maximum of stability at pH 10. The is 480 mg/kg (oral, rats) for potassium pentylxanthate. It is a