The mixture is referred to as both xylene and, more precisely, xylenes. Mixed xylenes refers to a mixture of the xylenes plus ... 98% of p-xylene production, and half of all xylenes produced is consumed in this manner. o-Xylene is an important precursor to ... Commercial or laboratory-grade xylene produced usually contains about 40-65% of m-xylene and up to 20% each of o-xylene, p- ... m-Xylene) NIOSH Pocket Guide to Chemical Hazards (p-Xylene) Xylene, Hazard Summary (EPA) (Mixed Isomers) The Ear Poisons, The ...
It is a constitutional isomer of m-xylene and p-xylene, the mixture being called xylene or xylenes. o-Xylene is a colourless ... m-Xylene is isomerized to o-xylene. Net production was approximately 500,000 tons in the year 2000. o-Xylene is largely used in ... o-Xylene (ortho-xylene) is an aromatic hydrocarbon with the formula C6H4(CH3)2, with two methyl substituents bonded to adjacent ... Most o-xylene is produced by cracking petroleum, which affords a distribution of aromatic compounds, including xylene isomers. ...
Effects vary with animal and xylene isomer. Concerns with xylenes focus on narcotic effects. Overexposure of p-xylene in humans ... o-xylene and m-xylene. All have the same chemical formula C6H4(CH3)2. All xylene isomers are colorless and highly flammable. ... "p-Xylene". International Chemical Safety Cards. ICSC/NIOSH. July 1, 2014. P-Xylene: toxicity for rats "Xylenes". Immediately ... p-Xylene is produced by catalytic reforming of petroleum naphtha as part of the BTX aromatics (benzene, toluene and the xylene ...
... is produced from meta-xylene (1,3-dimethylbenzene), by a Friedel-Crafts alkylation with tert-butyl chloride and ... The first concerns about musk xylene arose in the early 1980s, with the detection of musk xylene residues in fish from the Tama ... The estimated 2008 usage of musk xylene in the European Union was 25 tonnes. Musk xylene is still permitted for use in ... European Union Risk Assessment Report (2005). "5-tert-butyl-2,4,6-trinitro-m-xylene (musk xylene)[permanent dead link]". 3rd ...
Once mixed with the sample, the concentration of xylene cyanol is typically about 0.005% to 0.03%. In 1% agarose gels, xylene ... Xylene cyanol on a 6% polyacrylamide gel migrates at the speed of a 140 base pair DNA fragment. On 20% denaturating (7 M urea) ... Xylene cyanol can be used as an electrophoretic color marker, or tracking dye, to monitor the process of agarose gel ... Xylene cyanol at OpenWetWare (Articles without EBI source, Articles without KEGG source, Articles without UNII source, Articles ...
Effects vary with animal and xylene isomer. Concerns with xylenes focus on narcotic effects. Tetrachloro-m-xylene Nomenclature ... o-xylene and p-xylene. All have the same chemical formula C6H4(CH3)2. All xylene isomers are colorless and highly flammable. ... The conversion m-xylene to isophthalic acid entails catalytic oxidation. meta-Xylene is also used as a raw material in the ... m-Xylene (meta-xylene) is an aromatic hydrocarbon. It is one of the three isomers of dimethylbenzene known collectively as ...
α,α,α',α'-Tetrabromo-o-xylene is an organobromine compound with the formula C6H4(CHBr2)2. Three isomers of α,α,α',α'- ... The compound is prepared by the photochemical reaction of o-xylene with elemental bromine: C6H4(CH3)2 + 4 Br2 → C6H4(CHBr2)2 + ... 4 HBr Reaction of α,α,α',α'-tetrabromo-o-xylene with sodium iodide affords α,α'-dibromo-o-xylylene, which can be trapped with ...
... (tetrachlorometaxylene, or TCMX) is the organochlorine compound with the formula C6Cl4(CH3)2. It is the ... It is prepared by ferric chloride-catalyzed reaction of the xylene with chlorine. TCMX is used as an internal standard in the ... I. Chlorination of the nucleus and Side Chains of Xylenes". Chemiker-Zeitung. 103: 1-7. Organochlorine Pesticides by GCxGC-ECD ... Riegger, Paul; Steffen, Klaus Dieter (1979). "Chlorination of xylenes and secondary Products. ...
See also: p-xylene (data page) o-xylene (data page) This box: view edit Except where noted otherwise, data relate to Standard ... This page provides supplementary chemical data on m-Xylene. The handling of this chemical may incur notable safety precautions ...
See also: m-xylene (data page) p-xylene (data page) This box: view edit Except where noted otherwise, data relate to Standard ... This page provides supplementary chemical data on o-Xylene. The handling of this chemical may incur notable safety precautions ...
This page provides supplementary chemical data on p-xylene. The handling of this chemical may incur notable safety precautions ...
"Benzene, Toluene, Ethylbenzene, and Xylenes (BTEX)". cdc.gov. Agency for Toxic Substances & Disease Registry. May 2004. ...
BTX stands for benzene, toluene, xylene. This is a group of common volatile organic compounds (VOCs) that are found in the oil ... Dinuoscio, Connie (January 15, 2022). "Xylene (All Isomers)". American Conference of Governmental Industrial Hygienists. ... ethylbenzene and xylene among workers at petroleum distribution facilities". Ecotoxicology and Environmental Safety. 149: 19-25 ... including ethylene and benzene-toluene-xylenes ("BTX") which are often sent to petrochemical plants for further processing in a ...
Para - xylene Production. From the website of GTC Technology, Houston, Texas. The Future of Benzene and Para-Xylene after ... and the three xylene isomers, all of which are aromatic hydrocarbons. The xylene isomers are distinguished by the designations ... Likewise, the para-xylene consumption showed unprecedented growth in 2010, growing by 2,800,000 tons, a full ten percent growth ... The BTX Chain: Benzene, Toluene, Xylene. Chapter 4 of the DOE's Office of Energy Efficiency and Renewable Energy (EERE) report ...
Toluene and Xylene. In: Olson KR, ed. Poisoning & Drug Overdose. 6th ed. New York: McGraw-Hill; 2012. http://www.accessmedicine ...
There are three xylenes and one ethylbenzene. The substances are: o-xylene (1,2-dimethylbenzene), m-xylene (1,3-dimethylbenzene ... p-xylene (1,4-dimethylbenzene) Ethylbenzene (not a true xylene but present in mixtures called "mixed xylenes") Styrene ...
... and xylene; and hydrogen for hydrotreating units. However, a hydroskimming refinery produces a surplus of fuel oil with a ...
Ortho-xylene in recycled styrene. Aromatics in hydrocarbons. Essential oil in alcohol-based essences. The bottle and the test ... doi:10.1021/ac60164a014 Roland P. Marquardt and E N. Luce (1944): "Determination of o-Xylene in Recycle Styrene", Industrial & ...
Manufacturers use xylenes to produce plastics and synthetic fibers. Synthesis gas is a mixture of carbon monoxide and hydrogen ... Aromatics includes benzene, toluene and xylenes, as a whole referred to as BTX and primarily obtained from petroleum refineries ... xylenes cyclohexane - a 6-carbon aliphatic cyclic hydrocarbon sometimes used as a non-polar solvent adipic acid - a 6-carbon ... toluene and xylene isomers). Oil refineries produce olefins and aromatics by fluid catalytic cracking of petroleum fractions. ...
Some formulations include solvents such as xylenes and cumene. It is also used as a fungicide for Sclerotinia white molds on ...
... and xylene (BETEX); methyl ethyl ketone (MEK); some metals. The prompt removal of a wide range of wastes and pollutants from ...
... and three xylenes. On the other hand, the second replacement (by the same substituent) may preserve or even increase the ...
It is also generated by methylation of toluene and xylenes. Record in the GESTIS Substance Database of the Institute for ...
Xylene is the most popular clearing agent. Macerating tissues is the process of separating the constituent cells of tissues. ...
"Xylene tanker runs aground on Clipperton Island". ReefTools.com. 22 February 2010. Archived from the original on 13 July 2012. ... The 170 m (558 ft) ship contained 10,513 metric tons (11,589 short tons) of xylene, 6,005 metric tons (6,619 short tons) of ...
The xylene ( a group of three dimethyl benzenes) in the BTX are similarly converted to benzene and methane. This requires ... The mixture of benzene, xylenes etc. is then purified in two distillation columns. The benzene is then stored in the tank farm ... BTX stands for Benzene, Toluene, and Xylene. BTX is a mixture of these chemical species plus many other species. Both liquids ...
xylene. Approx. 390 g. EtOH is distd.; the remaining hot soln. is filtered and cooled to 0°. Crystals of I formed are washed ... xylene was refluxed while stirring and the alc. removed continuously by distn. After 6 hrs., the hot soln. was filtered, and ... with xylene, then with petr. ether and dried. Given intraperitoneally, L.D.50 is 940 mg./kg. for mice; 910 mg./kg. for the rats ...
Gasoline contains a mixture of BTEX hydrocarbons (benzene, toluene, ethylbenzene, xylenes). Prolonged exposure to toluene can ...
doi:10.1021/ja00799a002 Pierluigi Giacomello and Fulvio Cacace (1976): "Gas-phase alkylation of xylenes by tert-butyl(1+) ions ... Remarkable selectivity of a gaseous, charged electrophile". (1976) "Gas-phase alkylation of xylenes by tert-butyl(1+) ions". ( ...
Benzonitrile is produced from toluene, and phthalonitriles are produced from xylenes. The reaction represents a partial ...