permanganate of potash

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Noun1.permanganate of potash - a poisonous salt that forms dark purple crystals and is purple-red when dissolved in water; used as an oxidizing and bleaching agent and as a disinfectant and antiseptic
permanganate - a dark purple salt of permanganic acid; in water solution it is used as a disinfectant and antiseptic
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Initially, crude carbolic acid, (Lister's first agent), and then a whole variety of chemicals, which included picric acid, iodine, bichloride of mercury, permanganate of potash and corrosive sublimate.