1,3-butadiene


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1,3-butadiene

[¦wən ¦thrē ‚byüd·ə′dī·ēn]
(organic chemistry)
C4H6 A colorless gas, boiling point ‒4.41°C, a major product of the petrochemical industry; used in the manufacture of synthetic rubber, latex paints, and nylon.
References in periodicals archive ?
In addition to DNA damage, 1,3-butadiene also causes alterations in gene expression, bulk DNA methylation, and bulk histone modifications in mouse lung and liver tissues, but not in kidney (Chappell et al.
Fourier Transform Infrared Spectroscopy Gas Analyzer (FTIR) was incorporated with the transient engine dynamometer test facility for measuring unregulated emission pollutants such as carbon monoxide (CO), carbon dioxide (CO2), nitric oxide (NO), nitrogen dioxide (NO2), nitrous oxide (N2O), water (H2O), ammonia (NH3), sulfur dioxide (SO2), formaldehyde (HCHO), acetaldehyde (CH3CHO), formic acid (HCOOH), acetic acid (CH3COOH), methanol (CH3OH), ethanol (C2H5OH), methane (CH4), Acetylene (C2H2), ethylene (C2H4), ethane (C2H6), propene (C3H6), propane (C3H8), 1,3-Butadiene (C4H6), iso-butene (C4H8), benzene (C6H6) toluene (C7H8) etc.
The proportion of 1,3-butadiene in the exhaust gas Generator Alkylate Petrol_ load, W petrol Addinol Oil 100W 8.
In addition, it should be noted that 1,3-butadiene emissions are totally attributed to gasoline vehicles, while PM2.
The following reaction variables were evaluated: DEAC/Nd ratio, reaction temperature, catalyst concentration, and 1,3-butadiene concentration.
Henry's constants and infinite dilution activity coefficients of propane, propene, butane, isobutene, 1-butene, isobutane, trans-2-butene and 1,3-butadiene in 1-propanol at T = (260 to 340) K.
Chevron Phillips, for example, said that it expected its Cedar Bayou chemical plant to exceed permitted limits for several hazardous pollutants, such as 1,3-butadiene, benzene and ethylene, during shutdown procedures.
Key statement: A process for the preparation of a 1,3-butadiene and styrene copolymer comprising the following steps: a) anionically polymerizing a blend comprising from 5% by weight to 40% by weight of styrene and from 60% by weight to 95% by weight of 1.
3) Complete chemical analysis via TO-15, with Method Detection Limits (MDLs) of no more than 25 parts per trillion volume (pptv) for benzene, 1,3-butadiene, carbon tetrachloride, acrylonitrile acetonitrile, and no more than 50 pptv for other pollutants.
1998) reports the identification and quantification of 1,3-butadiene in petrol and evaporative emissions from Australian light-duty passenger vehicles.
Researchers also found similar levels of toxic compounds such as benzene, 1,3-butadiene, ethyl benzene, toluene, xylene, and MTBE, all considered toxic by ARB and the U.