Potassium nitrate is a key ingredient in gunpowder. [3], Between 550–790 °C (1,022–1,454 °F), potassium nitrate reaches a temperature-dependent equilibrium with potassium nitrite:[17]. . nitrite salts include potassium nitrate, potassium nitrite, sodium nitrate, sodium nitrite, and ammonium nitrate; these salts are highly soluble in water , dissociate under environmental conditions, and exist as . Its solubility at room temperature is 312 g in 100 ml of water. It is prepared commercially for use in a number of products, including gunpowder, fireworks, matches, rocket propellants, ceramics, glass and fertilizers. Potassium nitrate is also known as Saltpeter is a chemical compound with formula of KNO 3. The compound is odourless i.e. What are the physical and chemical properties of potassium nitrate (KNO3)? 257 grams/cubic centimeter ( At 20 ℃) Colorless … [36], Potassium nitrate is used in fertilizers as a source of nitrogen and potassium – two of the macronutrients for plants. Physical. Additional Notes: Formerly called kalium hence the symbol 'K'. It's important to note, however, that potassium is very reactive with air and water. Specimens. It is noncombustible but it will accelerate the burning of combustible materials. It is al… The most famous use of potassium nitrate is probably as the oxidizer in blackpowder. On industrial scale it is prepared by the double displacement reaction between sodium nitrate and potassium chloride. "The production of saltpeter in the Middle Ages", This page was last edited on 24 December 2020, at 16:08. [18] Saltpeter finds mention in Kautilya's Arthashastra (compiled 300BC - 300CE), which mentions using its poisonous smoke as a weapon of war,[19] although its use for propulsion did not appear until medieval times. It has a melting point of 441 degrees Celsius and begins to decompose at 350 degrees Celsius. Some other physical and chemical properties of potassium chloride are discussed in this subsection. If large quantities of the material are involved in the fire or the combustible material is finely divided an explosion may result. [30] When used as a food additive in the European Union,[31] the compound is referred to as E252; it is also approved for use as a food additive in the United States[32] and Australia and New Zealand[33] (where it is listed under its INS number 252). Potassium nitrate is a also used as a diuretic agent in pigs, cattle and horses. Lv 7. 8 years ago. 152 . Potassium nitrate is also known as Saltpeter is a chemical compound with formula of KNO 3. [7] The use of potassium nitrate has been mostly discontinued because of slow and inconsistent results compared to sodium nitrite compounds such as "Prague powder" or pink "curing salt". N.B. Oxidising agent eg in gunpowder . It reacts with combustible and reducing materials. 6H 2 O. Compare Products: Select up to 4 products. It occurs in nature as a mineral, niter (or nitre in the UK). Proceedings of the Royal Society of London. Properties, occurrence, and uses Potassium metal is soft and white with a silvery lustre, has a low melting point, and is a good conductor of heat and electricity. The chloride anion is not an oxidizing agent, it does not contain oxygen. Moreover, in various rocket propellants, … Potassium Nitrate has not been tested for its ability to cause cancer in animals. In the Shetland Islands (UK) it is used in the curing of mutton to make reestit mutton, a local delicacy. © 2016 Céondo GmbH | The material is soluble in water. Proceedings of the Royal Society of London. matrix material (1) mixture (1) neat (2) single component solution (1) ... potassium nitrate* Advanced Search | Structure Search. The Melting Point of Calcium Nitrate is . 3. Due to the presence of nitrate anion, it is a good fertilizer. Viscosity: Not available. Materials and Methods AR grade (99%) pure salts of Potassium Nitrate and γ-glycine were used in the preparation of single crystals of γ-glycine and Potassium Nitrate doped Glycine (PNG). Health effects / safety hazards: Potassium nitrate is non flammable but in presence of combustible materials, it can burn or explode. Sodium nitrate and potassium nitrate is a white crystalline solid. Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. . In nature, potassium nitrate occurs as a mineral, niter. Physical Properties. Potassium nitrate is a chemical compound with the chemical formula KNO3. Series A. Also as saltpeter, potassium nitrate (KNO 3) it is used to make explosives and to color fireworks in mauve. Potassium Page One. From the most ancient times until the late 1880s, blackpowder provided the explosive power for all the world's firearms. Potassium Nitrate Safety Data Sheet according to Federal Register / Vol. Turgot and Lavoisier created the Régie des Poudres et Salpêtres a few years before the French Revolution. In Ancient India, saltpeter manufacturers formed the Nuniya caste. Download as Excel file Saturated solutions of glycine 1 Answer. matrix material (1) mixture (1) neat (2) single component solution (1) Technique. In One Flew Over the Cuckoo's Nest, Randall is asked by the nurses to take his medications, but not knowing what they are, he mentions he doesn't want anyone to 'slip me saltpeter'. And can also die of the throat. Chemical and physical properties of Potassium orthophosphate. Download as 2D mole file Its smell causes laughter. After that time, small arms and large artillery increasingly began to depend on cordite, a smokeless powder. Traditionally, guano was the source used in Laos for the manufacture of gunpowder for Bang Fai rockets. Information regarding the physical and chemical properties of selected … Thus, these are the most common uses of NaNo 3 as it is one of the most cost-effective and huge sources of nitrogen. ", "10 reasons true Americans should watch '1776' this 4th of July", International Chemical Safety Card 018402216, https://en.wikipedia.org/w/index.php?title=Potassium_nitrate&oldid=996109782, Articles with dead external links from July 2019, Articles with permanently dead external links, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Articles containing Persian-language text, Creative Commons Attribution-ShareAlike License. 1845, nitratite deposits were exploited in Chile and California use and production, has many names is by... Nitrate minerals that is available on the mineral markets mineral, niter ( or Nitre in market! As smoke bombs, nitratite deposits were exploited in Chile and California the heat of! 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