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Potassium compounds


Food Additives (26)
Salts (20)
Consumer Ingredients (18)
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Inorganic compound (8)
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Phosphates (4)
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Deliquescent substances (3)
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Sigma Aldrich (24)
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potassium chloride (14336-88-0, 7447-40-7)  
Potassium chloride (KCl) is a metal halide salt composed of potassium and chloride. It is odorless and has a white or colorless vitreous crystal appearance. The solid dissolves readily in water and its solutions have a salt-like taste.
Potassium Bichromate  ·  K2Cr2O7
Potassium dichromate, K2Cr2O7, is a common inorganic chemical reagent, most commonly used as an oxidizing agent in various laboratory and industrial applications. As with all hexavalent chromium compounds, it is acutely and chronically harmful to health. It is a crystalline ionic solid with a very bright, red-orange color.
Potassium Cyanide (K(C(15)N))  ·  Potassium Cyanide (K(14)CN)
Potassium cyanide is a compound with the formula KCN. This colorless crystalline salt, similar in appearance to sugar, is highly soluble in water. Most KCN is used in gold mining, organic synthesis, and electroplating.
POTASSIUM CHROMATE (7789-00-6, 18453-57-1)  
potassium chromate(VI)  ·  dipotassium chromate  ·  bipotassium chromate
Potassium chromate is the inorganic compound with the formula (K2CrO4). This yellow solid is the potassium salt of the chromate anion. It is a common laboratory chemical, whereas sodium chromate is important industrially.
saltpetre  ·  saltpeter  ·  potassium nitrate monohydrate
Potassium nitrate is a chemical compound with the chemical formula KNO3. It is an ionic salt of potassium ions K+ and nitrate ions NO3−, and is therefore an alkali metal nitrate. It occurs as a mineral niter and is a natural solid source of nitrogen.
Potassium alum (10043-67-1)  
Potassium alum, potash alum, or potassium aluminium sulfate is a chemical compound: the potassium double sulfate of aluminium. Its chemical formula is KAl(SO4)2 and it is commonly found in its dodecahydrate form as KAl(SO4)2·12H2O. Alum is the common name for this chemical compound, given the nomenclature of potassium aluminum sulfate dodecahydrate.
Potassium nitrite (distinct from potassium nitrate) is the inorganic compound with the chemical formula KNO2. It is an ionic salt of potassium ions K+ and nitrite ions NO2−, which forms a white or slightly yellow, hygroscopic crystalline powder that is soluble in water. It is a strong oxidizer and may accelerate the combustion of other materials.
potassium hydroxide tetrahydrate  ·  potassium hydroxide monohydrate  ·  potassium hydroxide, 39K-labeled
Potassium hydroxide is an inorganic compound with the formula KOH, and is commonly called caustic potash. Along with sodium hydroxide (NaOH), this colorless solid is a prototypical strong base. It has many industrial and niche applications, most of which exploit its corrosive nature and its reactivity toward acids.
Potassium argentocyanide is a white solid used in silver plating, as a bactericide, and in the manufacture of antiseptics. It is manufactured by adding silver chloride to a solution of potassium cyanide.
Potassium dihydrogen phosphate (7778-77-0)  
potassium phosphate  ·  K2HPO4  ·  potassium acid phosphate
Monopotassium phosphate, MKP, (also potassium dihydrogenphosphate, KDP, or monobasic potassium phosphate), KH2PO4, is a soluble salt of potassium and the dihydrogen phosphate ion which is used as a fertilizer, a food additive and a fungicide. It is a source of phosphorus and potassium. It is also a buffering agent.
Potassium permanganate is an inorganic chemical compound and medication. As a medication it is used for cleaning wounds and dermatitis. It has the chemical formula KMnO4 and is a salt consisting of K+ and MnO− 4 ions.
Dipotassium hydrogen phosphate (7758-11-4)  
potassium phosphate  ·  potassium dihydrogen phosphate  ·  K2HPO4
Dipotassium phosphate (K2HPO4) (also dipotassium hydrogen orthophosphate; potassium phosphate dibasic) is a highly water-soluble salt which is often used as a fertilizer, food additive and buffering agent. It is a common source of phosphorus and potassium. A dipotassium phosphate solution is formed by the stoichiometric reaction of phosphoric acid with two equivalents of potassium hydroxide: H3PO4 + 2 KOH → K2HPO4 + 2 H2O
Potassium metabisulfite, K2S2O5, also known as potassium pyrosulfite, is a white crystalline powder with a pungent sulfur odour. The main use for the chemical is as an antioxidant or chemical sterilant. It is a disulfite and is chemically very similar to sodium metabisulfite, with which it is sometimes used interchangeably.
Potassium perchlorate is the inorganic salt with the chemical formula KClO4. Like other perchlorates, this salt is a strong oxidizer although it usually reacts very slowly with organic substances. This usually obtained as a colorless, crystalline solid is a common oxidizer used in fireworks, ammunition percussion caps, explosive primers, and is used variously in propellants, flash compositions, stars, and sparklers.
Potassium bromide (KBr) is a salt, widely used as an anticonvulsant and a sedative in the late 19th and early 20th centuries, with over-the-counter use extending to 1975 in the US. Its action is due to the bromide ion (sodium bromide is equally effective). Potassium bromide is used as a veterinary drug, as an antiepileptic medication for dogs.
POTASSIUM CARBONATE (298-14-6, 584-08-7, 584-08-7, 17353-70-7)  
K2CO3  ·  potassium carbonate sesquihydrate
Potassium carbonate (K2CO3) is a white salt, soluble in water (insoluble in ethanol) which forms a strongly alkaline solution. It can be made as the product of potassium hydroxide's absorbent reaction with carbon dioxide. It is deliquescent, often appearing a damp or wet solid.
Potassium fluoride is the chemical compound with the formula KF. After hydrogen fluoride, KF is the primary source of the fluoride ion for applications in manufacturing and in chemistry. It is an alkali halide and occurs naturally as the rare mineral carobbiite.
potassium peroxydisulfate  ·  potassium peroxodisulfate  ·  potassium monopersulfate
Not to be confused with potassium peroxymonosulfate. Potassium persulfate is the inorganic compound with the formula K2S2O8. Also known as potassium peroxydisulfate or KPS, it is a white solid that is highly soluble in water.
KOCN  ·  KCNO  ·  potassium isocyanate
Dipotassium peroxide (17014-71-0)  
Potassium peroxide is an inorganic compound with the molecular formula K2O2. It is formed as potassium reacts with oxygen in the air, along with potassium oxide (K2O) and potassium superoxide (KO2). Potassium peroxide reacts with water to form potassium hydroxide and oxygen: 2 K2O2 + 2 H2O → 4 KOH + O2
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