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 ?
Comparison of the disposition of butadiene epoxides in Spragus-Dawley rats and B6C3F1 mica following a single and repeated exposures to 1,3-butadiene via inhalation.
For all the pollutants, urban streets are characterised by higher uncertainty in the emissions achieving the largest range for 1,3-butadiene (-33% to +70 %), while estimations for highways are more robust.
i] represents the independent polymerization variables (DEAC/Nd ratio, reaction temperature, catalyst concentration, and 1,3-butadiene concentration), [y.
Evaporative emissions of 1,3-butadiene from petrolfuelled motor vehicles, Atmospheric Environment 32(14 15): 2685-2692.
To get an idea on the propagation rate of the polymerization of 1,3-butadiene with A1/Li/Ba/cyclohexane solutions a series of polymerizations was carried out by keeping constant the catalyst composition (1:1:0.
The Chemical Manufacturing Area Source Rule was promulgated on October 29, 2009, and applies to chemical manufacturing operations under NAICS code 325 and includes resin manufacturing operations that generate or produce the following HAPs of concern above the OSHA thresholds: 1,3-butadiene, 1,3-dichloropropene, acetaldehyde, chloroform, ethylene dichloride, hexachlorobenzene, methylene chloride, quinoline, hydrazine, and compounds of arsenic, cadmium, chromium, lead, manganese, and nickel.
For the initial research detailed in the technical paper, MIT scientists used Star-P's efficient parallelization system to obtain the thermodynamic properties of 1,3-butadiene -- a prevalent air toxin and petroleum combustion by-product -- for temperatures ranging from 50 to 500 degrees Kelvin.
All these substrates were prepared by using a co-oligomer (butadiene-co-acrylic acid) synthesized by copolymerization in a closed steel reactor at 70[degrees]C using 1,3-butadiene and acrylic acid as monomers and benzoyl peroxide as initiator.
Chemical Industry Institute of Toxicology (CIIT) scientists recently reported evidence that suggests that human exposure to 1,3-butadiene, one of the 189 hazardous air pollutants identified in the Clean Air Amendments, may pose less of a cancer risk than originally believed.
2] monitors, 68% of the variability for 1,3-butadiene, 67% of that for ethylbenzene, 62% of that for benzene, and 46% of that for PM (25).
Poly(butadiene) was prepared using an inox-closed reactor at 70[degrees]C, distilled 1,3-butadiene, and benzoyl peroxide as initiator.
5 um (PM2 5)], nitrogen dioxide (N (2)), benzene, ethylbenzene, and 1,3-butadiene from routinely collected fixed-site monitoring data in Canada.