Liquid anhydrous ammonia is used as a fertilizer, and it is stored either at room temperature under pressure or at atmospheric pressure and maintained at subzero temperature. Community groups, local officials, and public interest organizations have been pushing companies to replace dangerous substances with safer chemicals for decades. Define Anhydrous ammonia. [Note: Shipped as a liquefied compressed gas. On all hose one-half inch outside diameter and larger, used for the transfer of anhydrous ammonia liquid or vapor, there shall be etched, cast,or impressed at 5-foot intervals the following information. Anhydrous ammonia is a hygroscopic compound, meaning that it takes up water from the nearest source, which can include the human body—especially the eyes, lungs, and skin because of their high moisture content. Breathing even small amounts of NH₃ vapor can cause severe irritation and possible permanent damage to the eyes, throat, and lungs. At a fertilizer plant in Potchefstroom, South Africa, the ammonia was stored under pressure in four 50-ton horizontal cylinders of the type known as bullets. Anhydrous ammonia is just one of many dangerous but common chemicals that are used in various industrial processes and can pose a risk to communities and emergency personnel. Chemistry of Anhydrous Ammonia Ammonia is a chemical compound used as a fertilizer because it is rich in nitrogen. Anhydrous means "without water" and is very caustic to humans. 'All Intensive Purposes' or 'All Intents and Purposes'? Under a November 1940 contract with the government, DuPont built the facility, initially to produce, Post the Definition of anhydrous ammonia to Facebook, Share the Definition of anhydrous ammonia on Twitter. Anhydrous ammonia also … Ammonia is a compound of nitrogen and hydrogen with the formula NH 3.A stable binary hydride, and the simplest pnictogen hydride, ammonia is a colourless gas with a characteristic pungent smell. Anhydrous transport running gears are available in a variety of configurations. Learn a new word every day. Note: Note: As a compressed gas of Class 2, this HazMat is not assigned a packing group. What made you want to look up anhydrous ammonia? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary. a colorless alkaline gas, NH 3, with a pungent odor and acrid taste, and soluble in water. Anhydrous ammonia: 82 : gas : From Havlin, Beaton, Tisdale and Nelson (1999) Anhydrous NH 3 Anhydrous NH 3 contains 82% N, the highest amount of any N fertilizer. In these instances, Anhydrous Ammonia meets the definition of a Material that is Poison-By-Inhalation or Toxic-By-Inhalation as defined in 49 CFR § 171.8 and meets the criteria for a hazard zone D as specified in 49 CFR § 173.116 (a). It's made up … In this form it can be used as a fertilizer, a refrigerant, or as an antimicrobial agent. Anhydrous ammonia synonyms, Anhydrous ammonia pronunciation, Anhydrous ammonia translation, English dictionary definition of Anhydrous ammonia. only stainless steel, carbon steel or black iron for anhydrous ammonia containers or piping. OSHA 29 CFR 1910.111 prescribes handling and storage requirements for anhydrous ammonia. Anhydrous ammonia is one of the most efficient and widely used sources of nitrogen for plant growth. Can you spell these 10 commonly misspelled words? Anhydrous Wagons. Liquid anhydrous ammonia is lighter than water, having a density of 42.57 pounds per cubic foot at -28° F, while as a vapor, ammonia is lighter than air, its relative density is 0.597 compared to air at atmospheric pressure and a temperature of 32° F. Under the latter conditions, one pound of ammonia Ammonia is a toxic gas or liquid that, when concentrated, is corrosive to tissues upon contact. Colorless gas with a pungent, suffocating odor. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. Gaseous ammonia is generally referred to as anhydrous ammonia, to distinguish it from its solution in water, household ammonia solution, also known as ammonium hydroxide. Anhydrous ammonia is the gas or compressed liquid form of ammonia that contains no water. Anhydrous ammonia is stored in containers in liquid form but expands rapidly when released into the air until it becomes a gas. Start your free trial today and get unlimited access to America's largest dictionary, with: “Anhydrous ammonia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/anhydrous%20ammonia. While NH 3 is dangerous, anhydrous ammonia also has countless uses relating to the medicinal field, functions as a cleaning agent when diluted, is commonly used as a fertilizer, and in some cases is stolen to illegally produce methamphetamine. n. 'Nip it in the butt' or 'Nip it in the bud'? Gaseous hydrogen chloride is generally referred to as anhydrous, to distinguish it from its solution in water, hydrochloric acid. In this form it can be used as a fertilizer, a refrigerant, or as an antimicrobial agent. That is, it is an- (meaning without) hydrous (meaning water). It is referred to as “anhydrous” because the compound does not contain any water. Anhydrous means "without water." Accessed 25 Dec. 2020. It is normally encountered as a gas with a characteristic pungent odor. For Anhydrous Ammonia described as UN1005, ammonia, anhydrous 2.3 Poison Inhalation Hazard or Toxic Inhalation Hazard, Zone D, and when transported in a packaging having a capacity greater than 13,248 L (3,500 gallons), an HMSP is required. Anhydrous ammonia is a chemical compound with the formula NH 3. Please tell us where you read or heard it (including the quote, if possible). Anhydrous can also refer to the gaseous form of some concentrated solutions or pure compounds. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! APPEARANCE: Clear, colorless, gas.Clear, colorless liquid under pressure. ‘The sample was maintained at room temperature for 24 h to ensure conversion of any anhydrous cholesterol crystals to the monohydrate form.’ However, if not handled properly NH3 can be dangerous. Ammonia contributes significantly to the nutritional needs of the planet as a precursor to foodstuffs and fertilizers. 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