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Potassium chloride (KCl, or potassium salt) is a metal halide salt composed of potassium and chlorine. 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 chloride can be obtained from ancient dried lake deposits. [7]
Chemical formula Synonyms CAS number KAlF 4: potassium tetrafluoroaluminate: 14484–69–6 KAlO 2: potassium aluminate: 12003–63–3 KBF 4: potassium fluoroborate: 14075–53–7 KBr: potassium bromide: 7758–02–3 KBrO 3: potassium bromate: 7758–01–2 KCHF 3 O 3 S: potassium trifluoromethanesulfonate: 2926–27–4 KCHO 2: potassium ...
C 38 H 65 NO 29: lacto-n-difucohexaose II: C 39 H 48 N 2 O 9: Kidamycin: 11072-82-5 C 40 H 48 N 6 O 10: Bouvardin: C 40 H 53 NO 14: Cosmomycin B: 77517-27-2 C 40 H 56: lycopene: C 40 H 60 BNaO 14: Aplasmomycin: 61230-25-9 C 41 H 50 N 2 O 10: Neopluramycin: C 41 H 50 N 2 O 11: Hedamycin: 11048-97-8 C 44 H 55 NO 16: Milataxel: 352425-37-7 C 44 H ...
Substance Formula 0 °C 10 °C 20 °C 30 °C 40 °C 50 °C 60 °C 70 °C 80 °C 90 °C 100 °C Barium acetate: Ba(C 2 H 3 O 2) 2: 58.8: 62: 72: 75: 78.5: 77: 75
The following chart shows the solubility of various ionic compounds in water at 1 atm pressure and room temperature (approx. 25 °C, 298.15 K). "Soluble" means the ionic compound doesn't precipitate, while "slightly soluble" and "insoluble" mean that a solid will precipitate; "slightly soluble" compounds like calcium sulfate may require heat to precipitate.
For example, potassium oxide is about 83% potassium by weight, while potassium chloride is only 52%. Potassium chloride provides less potassium than an equal amount of potassium oxide. Thus, if a fertilizer is 30% potassium chloride by weight, its standard potassium rating, based on potassium oxide, would be only 18.8%.
Potassium chlorate can react with sulfuric acid to form a highly reactive solution of chloric acid and potassium sulfate: 2 KClO 3 + H 2 SO 4 → 2 HClO 3 + K 2 SO 4. The solution so produced is sufficiently reactive that it spontaneously ignites if combustible material (sugar, paper, etc.) is present. Candy being dropped into molten salt
Most agricultural fertilizers contain potassium chloride, while potassium sulfate is used for chloride-sensitive crops or crops needing higher sulfur content. The sulfate is produced mostly by decomposition of the complex minerals kainite (MgSO 4 ·KCl·3H 2 O) and langbeinite (MgSO 4 ·K 2 SO 4). Only a very few fertilizers contain potassium ...