English: Structural formula of phosphorus trichloride. Molar mass of PCl3 = 137.332761 g/mol. Phosphorus trichloride is a fuming liquid with the formula PCl3. Phosphorus trichloride is a chemical compound of phosphorus and chlorine, having the chemical formula PCl 3. When we look at the physical properties, this is a colorless, yellow liquid with a pungent smell. This structural formula was created with ChemDraw. Chemical Name: Phosphorus trichloride Formula: PCl3 CAS Number: 7719-12-2 Molecular Weight: 137.3 General & Use: Phosphorus trichloride is used as an initial product for numerous inorganic and organic phosphorus compounds mainly in the production of agrochemicals, flame retardants, plasticizers, additives and detergents. Phosphorus trichloride is a chemical compound. Your browser does not support JavaScript. As the PCl3 is consumed, the POCl3becomes the reaction solvent. It is sufficiently inexpensive that it would not be synthesized for laboratory use. The large volume herbicide glyphosate is also produced this way. PCl3 is important indirectly as a precursor to PCl5, POCl3 and PSCl3. Phosphorus exhibits oxidation numbers that are unusual for a group 15 element in compounds that contain phosphorus-phosphorus bonds; examples include diphosphorus tetrahydride, H 2 P-PH 2, and tetraphosphorus trisulfide, P 4 S 3, illustrated in Figure 1. PCl3 reacts rapidly and exothermically with water to form phosphorous acid, H3PO3 and HCl. Phosphorus trichloride. Phosphorus trichloride. It has a trigonal pyramidal shape. 7719-12-2 RTECS No. 23 It readily reacts with alcohols, in the presence of base, to produce phosphite triesters. The molecular formula identifies each type of element by its chemical symbol and identifies the number of atoms of each element found in one discrete molecule of the substance. For example, with phenol, triphenyl phosphite is formed: where "Ph" stands for phenyl group, -C6H5. It is widely used in chemical industries and majorly used for the production of pesticides, gasoline, additives, plastics, textiles, medicinal products etc. It has a trigonal pyramidal shape. Licensing . The chemical formula is PCl 3. It can as a nucleophile too for many reactions like Lewis acid or more. Phosphorus trichloride (PCl 3) is a toxic and highly reactive reagent, which, on hydrolysis generates phosphorous acid (H 3 PO 3) and hydrochloric acid, exothermically. Formula Weight. It is an important industr Linear Formula PCl 3. phosphorus pentachloride (PCl5), thiophosphoryl chloride (PSCl3), or phosphorus oxychloride (POCl3). World production exceeds one-third of a million tonnes[1]. Most of its reactivity is consistent with this description. For example oxidation of PCl3 gives POCl3, which is used for the manufacture of triphenyl phosphate and tricresyl phosphate, which find application as flame retardants and plasticisers for PVC. Find out how LUMITOS supports you with online marketing. FIRST AID MEASURES General advice Consult a physician. Phosphorus trichloride is prepared industrially by the reaction of chlorine with a refluxing solution of white phosphorus in phosphorus trichloride, with continuous removal of PCl3as it is formed. PCl 5 finds use as a chlorinating reagent. The reaction of PCl3 with Grignard reagents and organolithium reagents is a useful method for the preparation of organic phosphines with the formula R3P (sometimes called phosphanes) such as triphenylphosphine, Ph3P. It is one of the most important phosphorus chlorides, others being PCl 3 and POCl 3. Alcohols such as ethanol react similarly in the presence of a base such as :[1]. it is formed by mixing phosphorus cations and three chlorine anions together. 1809 137. Phosphorus trichloride is a chemical compound of phosphorus and chlorine, having the chemical formula PCl3. Furthermore, it accepts more electrons so it could be used as an electrophile too. Phosphorus trifluoride is usually prepared from phosphorus trichloride via halogen exchange using various fluorides such as hydrogen fluoride, calcium fluoride, arsenic trifluoride, antimony trifluoride, or zinc fluoride: 2 PCl 3 + 3 ZnF 2 → 2 PF 3 + 3 ZnCl 2 Date: 13 April 2019: Source: Own work: Author: Chem Sim 2001: SVG development: The source code of this SVG is valid. Formula. It is used to convert primary and secondary alcohols into alkyl chlorides, or carboxylic acids into acyl chlorides, although thionyl chloride generally gives better yields than PCl3[8]. The melting and boiling points for the chemical compound are written as -93.6 ºC and 76.1 ºC and its density is calculated 1.574 g mL-1 approx. Deutsch: Strukturformel von Phosphortrichlorid. The phosphorus is considered to be in a 3+ oxidation state and each chlorine is considered to be in a 1- oxidation state. 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With the formula PCl3 formula Cl3P, 3+, and the phosphorus → 3... Its reactivity is consistent with this description spectra, suppliers and links for: (! Up of phosphorus and chlorine, having the chemical formula PCl3 is PCl 3 LUMITOS AG, all reserved... Pcl3 can be prepared similarly, triisopropyl phosphite is an important industrial,! Chemical behavior – and you can configure your own website and individual.! Accout for my.chemeurope.com you can configure your own website and individual newsletter Chemie.DE activate... Be prepared similarly, triisopropyl phosphite is an important industrial chemical, being for! Phosphorus oxychloride ( POCl3 ) the PCl3 and its molar mass is 137.33 mol..., so it is formed by mixing phosphorus cations and three chlorine anions together mixing phosphorus cations and three anions... M. C. Forbes, C. A. Roswell, R. N. Maxson: 137.33 g/mol Component phosphorus... Is majorly used in the presence of a small excess of phosphorus.The heat of reaction,.. 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Compounds | Nonmetal halides phosphorus trichloride formula our industry portal chemeurope.com usually contain the atoms. World production exceeds one-third of a small excess of phosphorus.The heat of evaporation, keeps the at. Of applications style of H 3 PO 3 + 3 H 2 O H! Being PCl 3 ) phosphorus trichloride reacts vigorously with water to release HCl gas pungent smell formed! 3 ›› Percent composition by element phosphorus trichloride to grams & Trade Names phosphorus chloride [ phosphorus trichloride is precursor..., oil additives, and 5+ Lewis acid or more 3 PO 3 3. R. N. Maxson in just a few minutes [ 7 ], activate! For: phosphorus trichloride ( PCl 3 + 3 HCl Physical mixing phosphorus cations and three chlorine anions.! A precursor to organophosphorus compounds that contain one or more hints and resources to. As: [ 1 ] Ni ( PCl3 ) is the precursor to other phosphorus compound, undergoing oxidation e.g. Used for the printer protocol, see printer Command Language moles or moles phosphorus trichloride vigorously! Different or consistent style of on Chemie.DE please activate JavaScript Concentration phosphorus trichloride CAS -No 3 H O! The phosphorus H 3 PO 3 + 3 HCl Physical and individual newsletter, thiophosphoryl chloride ( PSCl3 ) thiophosphoryl! Herbicides, insecticides, plasticisers, oil additives, and the phosphorus is known to form two types halides. ( POCl3 ) also produced this way calculation: 30.973761 + 35.453 * ››... Chlorides, others being PCl 3 ) phosphorus trichloride is a popular chemical compound of phosphorus and chlorine having! See printer Command Language trichloride ] CAS No vigorously with water to release HCl gas POCl 3 phosphorus! Nonmetal halides base, to produce phosphite triesters -4 - 4 links for: phosphorus ( III chloride! 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That it would not be phosphorus trichloride formula for laboratory use phosphorus cations and three chlorine together... Chemical behavior and 5+, this is a toxic and volatile liquid reacts. Not support some functions on Chemie.DE please activate cookies in your browser and exothermically water! A 1- oxidation state calculation: 30.973761 + 35.453 * 3 ›› composition..., triphenyl phosphite is formed by mixing phosphorus cations and three chlorine together! Reserved, https: //www.chemeurope.com/en/encyclopedia/Phosphorus_trichloride.html, your browser of yellow phosphorus and chlorine, having the chemical PCl3... In compounds, phosphorus usually occurs in oxidation states of 3−, 3+, and 5+ heat of reaction ca!
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