WebMar 6, 2024 · thiophene: [noun] a heterocyclic liquid C4H4S from coal tar that resembles benzene. WebWhen the odor is intermittent, unpredictable, or at a remote location, Columbia Analytical may recommend the use of a Silco (glass lined) canister. Please contact the lab for more information on ... Thiophene 110-02-1 5.00 Sweet Isobutyl Mercaptan 513-44-0 5.00 Skunk Diethyl Sulfide 352-93-2 5.00 Sharp, garlic
THIOPHENE HAZARD SUMMARY - Government of New Jersey
WebThiophene definition, a water-insoluble, colorless liquid, C4H4S, resembling benzene, occurring in crude coal-tar benzene: used chiefly as a solvent and in organic synthesis. … danica crnogorcevic republika srpska
Thiophene - Hazardous Agents Haz-Map
Thiophene is a heterocyclic compound with the formula C4H4S. Consisting of a planar five-membered ring, it is aromatic as indicated by its extensive substitution reactions. It is a colorless liquid with a benzene-like odor. In most of its reactions, it resembles benzene. Compounds analogous to thiophene include … See more Thiophene was discovered as a contaminant in benzene. It was observed that isatin (an indole) forms a blue dye if it is mixed with sulfuric acid and crude benzene. The formation of the blue indophenin had long … See more At room temperature, thiophene is a colorless liquid with a mildly pleasant odor reminiscent of benzene, with which thiophene shares … See more • Some Thiophenes • Thieno[3,2-b]thiophene, one of the four thienothiophenes. • 2,2'-Bithiophene. See more • International Chemical Safety Card 1190 • Chisholm, Hugh, ed. (1911). "Thiophen" . Encyclopædia Britannica. Vol. 26 (11th ed.). Cambridge … See more Reflecting their high stabilities, thiophenes arise from many reactions involving sulfur sources and hydrocarbons, especially unsaturated ones. The first synthesis of thiophene by Meyer, … See more Thiophene is considered to be aromatic, although theoretical calculations suggest that the degree of aromaticity is less than that of benzene. The "electron pairs" on sulfur are significantly delocalized in the pi electron system. As a consequence of its aromaticity, … See more Thiophenes are important heterocyclic compounds that are widely used as building blocks in many agrochemicals and pharmaceuticals. The benzene ring of a biologically active … See more WebMar 16, 2024 · For this reason, the natural gas smell is at times described differently, like: natural gas smells like rotten eggs natural gas smells like kerosene natural gas smells like lighter fluid natural gas smells like skunk WebThiophene; Thiophene. Agent Name. Thiophene. CAS Number. 110-02-1. Formula. C4-H4-S. Major Category. Other Classes. ... Colorless liquid with a benzene-like odor; [HSDB] Colorless liquid with an odor of "stench"; [MSDSonline] Sources/Uses. Used as a solvent, chemical intermediate, and monomer to make copolymers; [HSDB] Comments. danica crnogorcevic sini jarko sunce sa kosova tekst