• An antiknock agent is a gasoline additive used to reduce engine knocking and increase the fuel's octane rating by raising the temperature and pressure...
    25 KB (3,224 words) - 20:34, 6 October 2024
  • Thumbnail for Tetraethyllead
    Tetraethyllead (category Antiknock agents)
    General Motors, was the first to discover its effectiveness as an antiknock agent in 1921, after spending several years attempting to find an additive...
    88 KB (8,262 words) - 09:57, 15 October 2024
  • Thumbnail for Diisopropyl ether
    solutions, e.g. phenols, ethanol, acetic acid. It has also been used as an antiknock agent. In the laboratory, diisopropyl ether is useful for recrystallizations...
    6 KB (530 words) - 18:41, 17 September 2023
  • Thumbnail for Triacetin
    Triacetin (category Antiknock agents)
    glioma cells. Triacetin can also be used as a fuel additive as an antiknock agent which can reduce engine knocking in gasoline, and to improve cold and...
    12 KB (1,104 words) - 01:14, 8 October 2024
  • Thumbnail for Catalytic converter
    stringent emission control regulations also resulted in the removal of the antiknock agent tetraethyl lead from automotive gasoline, to reduce lead in the air...
    56 KB (6,722 words) - 18:50, 4 November 2024
  • other organic chemicals. In World War II, xylidine was an important antiknock agent in very high performance aviation gasolines. Its purpose was to permit...
    6 KB (717 words) - 21:56, 2 November 2023
  • Thumbnail for 2,2,4-Trimethylpentane
    2,2,4-Trimethylpentane (category Antiknock agents)
    all hydrocarbons, 2,2,4-trimethylpentane is flammable. Oil refinery Antiknock agents "2,2,4-trimethylpentane - Compound Summary". PubChem Compound. USA:...
    7 KB (484 words) - 09:14, 24 January 2024
  • the chief chemist involved in the production of tetraethyllead, an antiknock agent that made gasoline "leaded," later discontinued over concerns about...
    9 KB (872 words) - 20:31, 4 September 2024
  • Thumbnail for Half sandwich compound
    methylcyclopentadienyl manganese tricarbonyl, an antiknock agent in petrol. MMT is a commercially useful antiknock compound. CpCo(CO)2 is a catalyst for the...
    17 KB (1,606 words) - 18:01, 19 July 2024
  • Thumbnail for Toluene
    Toluene (category Antiknock agents)
    such as dopamine reuptake inhibitors (cocaine, methylphenidate), releasing agents (amphetamine, methamphetamine), and precursors (levodopa). GABAA enhancers...
    34 KB (3,187 words) - 22:56, 10 August 2024
  • emission limits for NOx and PM. In 1922, lead was added to gasoline as an antiknock agent. It was not until 1969, nearly five decades later, that research began...
    29 KB (3,623 words) - 22:03, 27 August 2024
  • principal component of NMA (monomethylaniline), a non-traditional antiknock agent increasingly used by petroleum refiners and fuel distributors around...
    8 KB (732 words) - 09:14, 15 October 2024
  • Benzin or the Romanian word benzină) can mean "petrol" or "gasoline". Antiknock agent More, Charles (20 June 2009). Black Gold: Britain and Oil in the Twentieth...
    2 KB (144 words) - 16:23, 10 October 2024
  • Ferrocene (category Antiknock agents)
    made the first one, Josi Puleo. Ferrocene and its derivatives are antiknock agents used in the fuel for petrol engines. They are safer than previously...
    53 KB (5,194 words) - 17:00, 2 November 2024
  • Thumbnail for Methylcyclopentadienyl manganese tricarbonyl
    Methylcyclopentadienyl manganese tricarbonyl (MMT or MCMT) is an organomanganese compound with the formula (C5H4CH3)Mn(CO)3. Initially marketed as a supplement...
    20 KB (2,232 words) - 20:40, 7 June 2024
  • Thumbnail for General Motors
    engineer for GM, discovered tetraethyllead (leaded gasoline) as an antiknock agent, and GM patented the compound because ethanol could not be patented...
    159 KB (13,499 words) - 19:02, 1 November 2024
  • — Thomas Midgley Jr. discovers lead components to be an efficient antiknock agent in gasoline engines. In spite of the well known toxic effects, lead...
    53 KB (6,310 words) - 21:13, 30 October 2024
  • Thumbnail for Metal carbonyl
    Examples include the historically important IrCl(CO)(P(C6H5)3)2 and the antiknock agent (CH3C5H4)Mn(CO)3. The parent compounds for many of these mixed ligand...
    70 KB (7,931 words) - 06:04, 29 May 2024
  • Polyetheramine (PEA); see also Techron Polyisobutyleneamine (PIBA) Antiknock agents Tetraethyllead (TEL), now banned almost everywhere for causing brain...
    7 KB (723 words) - 11:59, 4 September 2024
  • MTBE controversy (category Antiknock agents)
    The MTBE controversy concerns methyl tert-butyl ether (MTBE), a gasoline additive that replaced tetraethyllead. MTBE is an oxygenate and raises gasoline's...
    18 KB (1,759 words) - 04:09, 9 October 2024
  • Thumbnail for Iron pentacarbonyl
    Iron pentacarbonyl (category Antiknock agents)
    formation. In Europe, iron pentacarbonyl was once used as an anti-knock agent in petrol in place of tetraethyllead; it was produced by IG Farben and commercially...
    17 KB (1,657 words) - 12:07, 1 October 2024
  • an important contract to manufacture monomethylaniline used as an antiknock agent in high octane aviation fuel. In 1941, a new aniline plant was built...
    12 KB (1,485 words) - 09:17, 20 December 2023
  • Thumbnail for Organolead chemistry
    has had the greatest impact is tetraethyllead, formerly used as an antiknock agent in gasoline intended for automobile internal combustion engines and...
    8 KB (992 words) - 14:46, 10 September 2024
  • Thumbnail for Lead
    exposure to lead was the addition of tetraethyllead to gasoline as an antiknock agent, a practice that originated in the United States in 1921. It was phased...
    178 KB (19,217 words) - 09:44, 2 November 2024
  • Thumbnail for Mirosław Jan Stasik
    of tetraethyllead in humans. This substance was commonly used as an antiknock agent in gasoline until 2005. Since 1970 he has been living in Germany, with...
    5 KB (646 words) - 08:45, 27 October 2023
  • Thumbnail for (Norbornadiene)molybdenum tetracarbonyl
    hexacarbonyl. The compound was originally examined as a potential antiknock agent. (Norbornadiene)molybdenum tetracarbonyl is a precursor to other derivatives...
    3 KB (199 words) - 16:14, 19 July 2024
  • Thumbnail for Alkylation
    Alkylation (redirect from Alkylating agent)
    Alkylate is a premium gasoline blending stock because it has exceptional antiknock properties and is clean burning. Alkylate is also a key component of avgas...
    15 KB (1,651 words) - 13:59, 24 August 2024
  • a research chemist at General Motors as part of a team researching antiknock agents. This led to the development of tetraethyllead, which was widely used...
    24 KB (2,850 words) - 09:46, 24 August 2024
  • Thumbnail for Alexander Nesmeyanov
    deficiency. On the basis of cymantrene, Nesmeyanov proposed a new antiknock agent for motor gasoline. Nesmeyanov, together with N.K. Kochetkov and M...
    35 KB (4,211 words) - 10:44, 3 November 2024
  • Thumbnail for Sandwich compound
    and methylcyclopentadienyl manganese tricarbonyl have been used as antiknock agents. Certain bent metallocenes of zirconium and hafnium are effective precatalysts...
    17 KB (1,698 words) - 02:40, 14 March 2023