Toluene (/ ˈ t ɒ l. j u iː n /), also known as toluol (/ ˈ t ɒ l. j u. ɒ l,-ɔː l,-oʊ l /), is a substituted aromatic hydrocarbon.It is a colorless, water-insoluble liquid with the smell associated with paint thinners.It is a mono-substituted benzene derivative, consisting of a methyl group (CH 3) attached to a phenyl group.As such, its systematic IUPAC name is methylbenzene.

Le toluène, également appelé méthylbenzène ou phénylméthane est un hydrocarbure aromatique.Il est couramment utilisé en tant que réactif ou solvant, notamment dans le milieu industriel.Il dissout un grand nombre d'huiles, graisses, ou résines (naturelles ou de synthèse). Dans les conditions normales, c'est un liquide transparent à l'odeur caractéristique, rappelant …

Other toluene-containing substances have also been used, most notably the Vulca Seal brand of roof sealants. Bostik Philippines, which currently owns the Rugby and Vulca Seal brands, has since responded to the issue by adding bitterants such as mustard oil to their Rugby line, as well as reformulating it by replacing toluene with xylene ...

Butylated hydroxytoluene (BHT), also known as dibutylhydroxytoluene, is a lipophilic organic compound, chemically a derivative of phenol, that is useful for its antioxidant properties. BHT is widely used to prevent free radical-mediated oxidation in fluids (e.g. fuels, oils) and other materials, and the regulations overseen by the U.S. F.D.A.—which considers BHT to be …

Benzene, , is the least complex aromatic hydrocarbon, and it was the first one named as such.The nature of its bonding was first recognized by August Kekulé in the 19th century. Each carbon atom in the hexagonal cycle has four electrons to share. One goes to the hydrogen atom, and one to each of the two neighboring carbons.

soluble in ethanol, cottonseed oil, corn oil, ethyl acetate, methanol, toluene Viscosity: 300–500 centistokes (@25°C) Hazards Occupational safety and health (OHS/OSH): Main hazards. Irritant NFPA 704 (fire diamond) 1. 1. 0. Flash point: 113 °C (235 °F; 386 K)

In organic chemistry, a methyl group is an alkyl derived from methane, containing one carbon atom bonded to three hydrogen atoms, having chemical formula CH 3.In formulas, the group is often abbreviated as Me.This hydrocarbon group occurs in many organic compounds.It is a very stable group in most molecules. While the methyl group is usually part of a larger molecule, …

The most common application of polyurethane is as solid foams, which requires the presence of a gas, or blowing agent, during the polymerization step.This is commonly achieved by adding small amounts of water, which reacts with isocyanates to form CO 2 gas and an amine, via an unstable carbamic acid group. The amine produced can also react with isocyanates to form …

Benzene, toluene, and xylenes can be made by various processes. However, most BTX production is based on the recovery of aromatics derived from the catalytic reforming of naphtha in a petroleum refinery.. Catalytic reforming usually utilizes a feedstock naphtha that contains non-aromatic hydrocarbons with 6 to 12 carbon atoms and typically produces a reformate product …

An octane rating, or octane number, is a standard measure of a fuel's ability to withstand compression in an internal combustion engine without detonating.The higher the octane number, the more compression the fuel can withstand before detonating. Octane rating does not relate directly to the power output or the energy content of the fuel per unit mass or volume, but …