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See all on WikipediaTetraethyllead - Wikipedia
Tetraethyllead (commonly styled tetraethyl lead), abbreviated TEL, is an organolead compound with the formula Pb(C2H5)4. It was widely used as a fuel additive for much of the 20th century, first being mixed with gasoline beginning in the 1920s. This "leaded gasoline" had an increased octane rating that allowed … See more
TEL is produced by reacting chloroethane with a sodium–lead alloy.
The product is recovered by steam distillation, leaving a sludge of lead and sodium chloride. … See moreTEL was extensively used as a gasoline additive beginning in the 1920s, wherein it served as an effective antiknock agent and reduced exhaust valve and valve seat wear. Concerns were … See more
In 1853, German chemist Karl Jacob Löwig (1803–1890) first prepared what he claimed was Pb2(C2H5)3 from ethyl iodide and an alloy of lead … See more
• Filella, Montserrat; Bonet, Josep (2017). "Chapter 14. Environmental Impact of Alkyl Lead(IV) Derivatives: Perspective after Their Phase-out". In Astrid, S.; Helmut, S.; Sigel, R. K. O. (eds.). … See more
A noteworthy feature of TEL is the weakness of its four C–Pb bonds. At the temperatures found in internal combustion engines, TEL decomposes completely into lead as well as … See more
6 mL of tetraethyllead is enough to induce severe lead poisoning. The hazards of TEL content are heightened due to the compound's volatility … See more
Wikipedia text under CC-BY-SA license Tetramethyllead - Wikipedia
Wikipedia · Text under CC-BY-SA license- Estimated Reading Time: 2 mins
Tetraethyllead - Simple English Wikipedia, the free encyclopedia
WEBTetraethyllead (commonly styled tetraethyl lead ), shortened to TEL, is a chemical compound with the formula ( CH 3 CH 2) 4 Pb. They add this into petro - fuel. It is first …
Tetraethyllead - Wikiwand
WEBTetraethyllead (commonly styled tetraethyl lead), abbreviated TEL, is an organolead compound with the formula Pb (C2H5)4. It was widely used as a fuel additive for much …
Tetraethyllead - an overview | ScienceDirect Topics
WEBTetraethyllead refers to a commercially important organolead compound that was previously used as an antiknock additive in petrol. It is now mainly of academic interest …
Thomas Midgley Jr. - Wikipedia
WEBHe played a major role in developing leaded gasoline (tetraethyl lead) and some of the first chlorofluorocarbons (CFCs), better known in the United States by the brand name Freon; both products were later banned from …
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Tetraethyllead - NIST Chemistry WebBook
WEBTetraethyllead. Formula: C 8 H 20 Pb. Molecular weight: 323.4. IUPAC Standard InChI: InChI=1S/4C2H5.Pb/c4*1-2;/h4*1H2,2H3; IUPAC Standard InChIKey: …
Tetraethyllead - NIST Chemistry WebBook
WEBTetraethyllead. Formula: C 8 H 20 Pb. Molecular weight: 323.4. IUPAC Standard InChI:InChI=1S/4C2H5.Pb/c4*1-2;/h4*1H2,2H3; Copy. IUPAC Standard …
Tetraethyllead | Pb (C2H5)4 | CID 6511 - PubChem
WEBTetraethyl lead is an organolead compound produced by reacting ethyl chloride with a sodium-lead alloy. It was originally used as an antiknock additive in gasoline, but is now found only in some aircraft fuels. Lead is …
5: Tetraethyllead - World Usage - Chemistry LibreTexts
WEBMar 8, 2023 · At its peak in the 1970s, tetraethyl lead was used in about 80 to 90 percent of all gasoline worldwide. By 1970, GM indicated it planned to meet new clean air …
Tetraethyllead - Chemistry LibreTexts
WEBTetraethyllead is a toxic liquid that killed more than 40 chemical workers during its early development and manufacturing. Nevertheless, motor companies, oil companies and the …
3: Tetraethyllead - Additives - Chemistry LibreTexts
WEBEven diluted to a strength of two or three grams per gallon, or one thousand to one, tetraethyl lead had a remarkable ability to quiet the relentless knocking. Midgley, Boyd …
Why did we use leaded petrol for so long? - BBC
WEBAug 27, 2017 · Why did the petrol companies push tetraethyl lead instead of ethyl alcohol? Researchers who have studied the decision remain puzzled.
Talk:Tetraethyllead - Wikipedia
WEBTetraethyllead is the complete, neutral fragment; it is not a "cationic" tetraethyl fragment, with an anionic lead fragment. There are other naming rules and conventions, but this is …
The Rise and Fall of Tetraethyllead. 2. - ACS Publications
WEBDec 1, 2003 · Although tetraethyllead was far superior to all of the other organometallic, organometalloidal, and organic compounds that had been tested as antiknock agents, …
The Rise and Fall of Tetraethyllead. 1. Discovery and Slow …
WEBJun 2, 2003 · Tetraethyllead was isolated and characterized as a pure compound first by George Bowdler Buckton. Buckton (1818−1905, Figure 2) was one of the early English …
Tetraethyllead - WikiMili, The Best Wikipedia Reader
WEBTetraethyllead (commonly styled tetraethyl lead ), abbreviated TEL, is an organolead compound with the formula Pb ( C 2 H 5) 4. It was widely used as a fuel additive for …
Tetraethyltin - Wikipedia
WEBTetraethyltin or tetraethyl tin is a chemical compound with the formula (CH3CH2)4Sn, that is, a tin atom attached to four ethyl groups. It is an important example of an organotin …
Tetraethyllead - Wikipedia
WEBMay 30, 2023 · Tetraethyllead (commonly styled tetraethyl lead ), abbreviated TEL, is an organolead compound with the formula Pb ( C 2 H 5) 4. It is a fuel additive, first being …
1: Tetraethyllead: Kettering and Midgley - Chemistry LibreTexts
WEBKettering and Midgley scouted through the periodic table of the elements and as they neared the bottom - the heavier elements - they began to see a pattern. They could …
TIL amidst early concerns about leaded gas, the engineer who
WEBMidgley invented tetraethyl lead, which caused widespread lead poisoning, freon, which destroyed the ozone layer and later when he contacted polio, invented a bed with a …
Ethyl Corporation - Wikipedia
WEBEthyl Corporation is a fuel additive company headquartered in Richmond, Virginia, in the United States. The company is a distributor of fuel additives. Among other products, …
Gasoline - Wikipedia
WEBGasoline in a glass jar. Gasoline or petrol is a petrochemical product characterized as a transparent, yellowish, and flammable liquid normally used as a fuel for spark-ignited …
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