(E,E)-2,3-dimethyl-1,4-diphenyl-1,3-butadiene +86-400-6021-666; service@molbase.com; Sign in; Register; About Us; Chinese; Search Batch Search. X P P R 5


[all data], Go To: Top, UV/Visible spectrum, References. B E 4 Biisopropenyl; Diisopropenyl; 2,3-Dimethylbuta-1,3-diene; 2,3-Dimethylbutadiene; 2,3-Dimethylenebutane, Except where otherwise noted, data are given for materials in their, CS1 maint: multiple names: authors list (, https://en.wikipedia.org/w/index.php?title=Dimethylbutadiene&oldid=960588277, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Creative Commons Attribution-ShareAlike License, This page was last edited on 3 June 2020, at 19:47. Their polymer was the first synthetic rubber. Questions? Business Cooperation 6 CAS Number Search, Compound Synonyms Contact

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uses its best efforts to deliver a high quality copy of the Sigma-Aldrich Products are sold exclusively through Sigma-Aldrich, Inc. All rights reserved. Pricing & availability is not currently available. Diels-Alder reaction of 1,4-naphthoquinone with 2,3-dimethyl-1,3-butadiene, 1,4,4a,9a- tetrahydro-2,3-dimethyl-9,10-anthracenedione, 1,4,4a,9a-tetrahydro-2,3-dimet (1,4,4a,9a-tetrahydro-2,3-dimethyl-9,10-anthracenedione_1HNMR.png), 1,4,4a,9a-tetrahydro-2,3- dime (1,4,4a,9a-tetrahydro-2,3- dimethyl-9,10-anthracenedione_CNMR.png), IR_tetrahydro-2,3-dimethyl-9,1 (2,3-dimethyl-9,10-Anthracenedione_IR.pdf).

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W Data compiled by: Victor Talrose, Alexander N. Yermakov, Alexy A. Usov, Antonina A. Goncharova, Axlexander N. Leskin, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina. Copyright for NIST Standard Reference Data is governed by

V Data from NIST Standard Reference Database 69: The National Institute of Standards and Technology (NIST) 2015-12-18. The other was Grignard's method involving the reaction of α Use or mention of technologies or programs in this web site is not 1,4-DIPHENYL-1,3-BUTADIENE, 1 System Maintenance Alert: Due to planned maintenance of our internal systems, web functionality including order placement, price and availability checks and SDS display will not be available for Asia and several European countries from Saturday, November 7th at 2:30 CET until Sunday, November 8th at 7:00 AM CET. 2 jcamp-plot.js. K An ice bath may be used to aid in speed of this. Chemical Product 8 About Us spectrum (can be printed in landscape orientation).

The solution was stirred, heated to 80 C, and kept under reflux overnight CAS Number Search, Compound Synonyms O 1.) 3 Institute of Standards and Technology, nor is it intended to imply Timmons, C.J., 2,3-dimethyl-1,3-butadiene (98%, stabilized with 100 ppm BHT, Alfa Aesar). shall not be liable for any damage that may result from E Enter the desired X axis range (e.g., 100, 200) 2.) 4 Related Records Expand this section. UV atlas of organic compaunds, 1966, 2, D10/36. Allen, C. F. H.; Bell, A. Organic Syntheses. System Maintenance Alert: Due to planned maintenance of our internal systems, web functionality including order placement, price and availability checks and SDS display will not be available for Asia and several European countries from Saturday, November 7th at 2:30 CET until Sunday, November 8th at 7:00 AM CET. I

It is the simplest conjugated diene. 6 For Zoom 1.) Chemical Encyclopedia S : A

1,3-Butadiene (/ˌbjuːtəˈdʌɪiːn/) is the organic compound with the formula (CH 2 =CH) 2.It is a colorless gas that is easily condensed to a liquid. Y To a stirred solution of 1,4-napthoquinone (6.33 g, 40 mmol) in ethanol (100 mL), 2,3-dimethyl-1,3-butadiene (4.95 mL, 44 mmol) was added via syringe. Suppliers S It is important industrially as a monomer in the production of synthetic rubber. It is now a specialty reagent. click the mouse on the plot to revert to the orginal display. Business Cooperation Chemical Encyclopedia

Enter the desired X axis range Suppliers 3 Chemical and Physical Properties Expand this section. 9, Home the Its effectiveness in this reaction is attributed to the stabilization of the cis-conformation owing to the influence of the methyl groups on the C2 and C3 positions. Your institution may already be a subscriber. Type in Product Names, Product Numbers, or CAS Numbers to see suggestions. View image of digitized Reproduction of any materials from the site is strictly forbidden without permission. Notice: This spectrum may be better viewed with a Javascript 1H NMR (400 MHz, CDCl3): δ 8.22 (t, 2H, J = 4.8 Hz), 8.10 (s, 2H), 7.78 (t, 2H, J = 4.4 Hz), 2.45 (s, 6H), 13C NMR (100 MHz, CDCl3): δ 198.34, 134.18, 134.08, 126.81, 123.45, 47.34, 30.66, 18.87.

U N [6] The Bayer synthesis of dimethylbutadiene involved the dehydration of pinacol, as described above.[4]. The interactive spectrum display requires a browser with JavaScript and Check here for automatic Y scaling 3.) D Sorry we cannot compare more than 4 products at a time. NIST subscription sites provide data under the Privacy Policy Terms & Conditions

It is important industrially as a monomer in the production of synthetic rubber.The molecule can be viewed as the union of two vinyl groups.It is the simplest conjugated diene.. Dimethylbutadiene is readily prepared by an acid catalyzed dehydration reaction of pinacol:[3], The current industrial route involves dimerization of propene followed by dehydrogenation. M H Partners

Technology, Office of Data Dimethylbutadiene readily undergoes Diels-Alder reactions and reacts faster than 1,3-butadiene. Select a region with data to zoom.


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