The remaining 14% was a filler of nheptane, to reduce the octane to meet formula one fuel restrictions. Toluene is also used as a component of solvents in paint and lacquer industry and as an octane enhancing component of gasoline. As toluene is an aromatic compound, it is less susceptible towards oxidation reaction. The structure of toluene as determined by nmr of oriented. This structure is also available as a 2d mol file or as a computed 3d sd file the 3d structure may be viewed using java. Toulene is part of the process of making saccharin, antiseptics and paint thinners. Toluene, aromatic hydrocarbon used extensively as starting material for the manufacture of industrial chemicals. Toluene is a major component of tobacco smoke and concentrations can vary greatly. Apr 25, 2014 this file contains additional information such as exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. Toluene structure structure of toluene toluene is widely used as an industrial raw material and a solvent for manufacturing of many commercial products, including paints and glues. As such, its iupac systematic name is methylbenzen e. The o and pisotoluenes isomerise to toluene, a reaction driven by aromatic stabilisation. Chemical properties of toluene cas 108883 download as pdf file download as excel file download as 2d mole file predict properties.
Toluene also known as toluol is an aromatic hydrocarbon. Toluene safety in the workplace occupational safety and. Toluene methylbenzene is one of the beststudied aromatic solvents commonly found in both. Toluene occurs naturally as a component of petroleum oil. The amount of toluene in mainstream smoke from an unfiltered cigarette was estimated to range from 100 to 200 g with a sidestreammainstream smoke ratio of 1. The central nervous system cns is the primary target organ for toluene toxicity in both humans and animals for acute shortterm and chronic longterm exposures. Benzene, toluene, and pxylene btx were degraded by indigenous mixed cultures in sandy aquifer material and by two pure cultures isolated from the same site. This structure is also available as a 2d mol file or as a computed 3d sd file the 3d structure may be viewed using. It is estimated that these compounds are 96 kj mol. The chemical formula for toluene is c h ch, and its molecular weight is. The oxidation of toluene forms benzaldehyde which can further be oxidized to form benzoic acid. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to know and speak the laws that govern them. It comprises 1520 percent of coaltar light oil and is a minor constituent of petroleum. The toluene structure data file can be imported to most of the cheminformatics software systems and applications.
Toxicological profile for toluene agency for toxic substances. It is a mono substituted benzene derivative, consisting of a ch3 group. The low range of the odor threshold for toluene in water is 0. The concentration per cigarette in sidestream smoke is typically higher than in mainstream smoke. The demand for ethylbenzene is always great as a source of styrene monomer, but toluene does not find great use apart from a relatively small application in polyurethane. Exposure to toluene may occur from breathing ambient or indoor air affected by such sources. For more details on toluene structure and properties click here.
Toluene c6h5ch3 toluene is an aromatic hydrocarbon with the chemical formula c6h5ch3. Oct 07, 2019 toluene countable and uncountable, plural toluenes organic chemistry a colourless, inflammable liquid hydrocarbon, methyl benzene, ch 3. Jan 02, 2018 removal of benzene, toluene, xylene and styrene by biotrickling filters and identification of their interactions article pdf available in plos one 1. Although btx compounds have a similar chemical structure, the fate of individual btx compounds differed when the compounds were fed to each pure culture and mixed culture aquifer slurries. It dissolves other substances easily and evaporates quickly into the air. Toluene safety data sheet p6240 this sds conforms to u. Reproductive and developmental toxicity of toluene. Toluene is water insoluble but is miscible with other organic solvents. It plays a role in how your page is seen by search engine crawlers, and how it appears in serps. Frozen bromine trifluoride reacts violently with toluene at 80 deg. Name, chemical abstract service registry number casrn, a unique identifier and chemical structure of benzene, toluene, ethylbenzene and xylenes btex. A meta description is an html tag in the html code of your website, which allows you to customize a section of text that describes the page itself.
Toluene occupational safety and health administration. Cdc niosh pocket guide to chemical hazards toluene. Toluene c6h5ch3 or c7h8 cid 1140 structure, chemical names, physical and chemical properties. Toluene is also called as toluol, is an aromatic hydrocarbon. Toluene is widely used as an industrial raw material and a solvent for manufacturing of many commercial products, including paints and glues. Both sources provide toluene for commercial use, but larger amounts are made by catalytic r. Toluene can be used as an octane booster in gasoline fuels for internal combustion engines as well as jet fuel. Toluene is added to gasoline, used to produce benzene, and used as a solvent. Between exposure to indoor levels of toluene from consumer products and. Toluene at 86% by volume fuelled all the turbocharged engines in formula one during the 1980s, first pioneered by the honda team.
If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. Toluene, also known as methylbenzene, is an organic chemical compound. The methyl group of toluene is a side chain in the aromatic ring structure and is oxidized to the carboxyl group in the presence of a strong oxidizing agent. The isomerisation of p isotoluene to toluene takes place at 100 c in benzene with bimolecular reaction kinetics by an intermolecular free radical reaction. It is categorized as such because of the presence of carbon c atoms in its chemical formula, c7h8. It was observed that saturated solutions of tatp in toluene. Miscible with alcohol, chloroform, ether, glacial acetic acid, carbon disulfide alfa aesar 31755. Toluene is an aromatic hydrocarbon a methylsubstituted benzene derivative, which occurs as a clear colorless volatile liquid and possesses a pungent, benzenelike odor. C 6 h 5, used as a solvent, in highoctane fuels and in the production of many chemical compounds.
It is a monosubstituted benzene derivative, consisting of a ch 3 group attached to a phenyl group. The twophase microdomain structure is greatly influenced by the molecular structure of the diisocyanate, polyol, and chain extender,14,33,34, by the ratio of hard segment and soft segment components 35, by the average segment length employed including molecular weight distribution, by the crosslinking density. A liquid is typically considered a nonconductive, static accumulator if its conductivity is below 100 psm 100x10e12 siemens per meter and is considered a semi conductive. Because of toluene s high volatility and low solubility in water, most toluene occurring in natural waters may be expected to be eventually released to the atmosphere. Toluene is also highly flammable and may catch on fire if exposed to heat or flames. Toluene c6h5ch3 structure, molecular mass, properties. A short primer on benzene, toluene, ethylbenzene and xylenes. It is also employed in making perfumes, dyes, antifreeze and medicine, and it is utilized to produce the polymers that create plastics and nylon.
It is first isolated in 1837 by distillation of pine oil by a polish chemist named filip walter. Its chemical structure makes toluene highly lipid soluble. Substrate interactions of benzene, toluene, and paraxylene. Toluene, also known as methylbenzene, phenylmethane or toluol is a clear, colorless liquid with a sweet smell. Some relevant physical and chemical properties of toluene are listed below atsdr, 2000. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. A number of case reports describe neonatal effects that have been attributed to toluene abuse during pregnancy. Toluene is used as a feedstock for a number of chemical syntheses including production of tda, tdi, dnt, tnt, benzene and xylene. Exposure to toluene can cause eye and nose irritation, tiredness, confusion, euphoria, dizziness, headache, dilated pupils, tears, anxiety, muscle fatigue, insomnia, nerve damage, inflammation of the skin, and liver and kidney damage. In order to ascertain the hazards posed by handling toluene solutions of tatp, trials were performed in an attempt to detonate these solutions using a no. Pdf rotationally resolved fluorescence excitation spectra of several torsionally active bands in the s1s0 electronic transitions of toluene and. Toluene structure, properties, preparation and reactions. The odor threshold for toluene in air is reported as 8 ppm.
Toluene c6h5ch3 or c7h8 cid 1140 structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety. Files are available under licenses specified on their description page. Toluene is a widely used industrial solvent, and humans may also have high exposures to toluene from the deliberate inhalation sniffing of paint reducer, paint thinner, or paint for their narcotic effects. Chronic inhalation exposure of humans to toluene also causes irritation of the upper. It is a colorless, water insoluble liquid with the smell associated with paint thinners. Preparation and properties of cast polyurethane elastomers. It is a colorless, waterinsoluble liquid with the smell associated with paint thinners. Pdf removal of benzene, toluene, xylene and styrene by.
Toluene c6h5ch3 or c7h8 cid 1140 structure, chemical names. All structured data from the file and property namespaces is available under the creative commons cc0 license. Because of its usage in consumer products, toluene concentrations in indoor air may exceed those in outdoor air. The structure of the proton skeleton of toluene is determined, and small deviations of the ringproton positions from benzene structure are detected. Information regarding the physical and chemical properties of toluene is located in table 42. The height of the hindering potential to methyl rotation cannot be measured. Toluene safety data sheet according to federal register vol.
1417 1545 800 1111 1282 1061 1435 594 1225 543 1112 861 317 868 160 315 574 163 1452 483 1488 320 519 1492 1245 24 1039 945 319 1288 882 210 454 1518 1320 778 1308 1180 926 1471 1048 585 1346 1392