2,3-Dimethyl-1-butene

Base Information

• Chemical Name: 2,3-Dimethyl-1-butene
• CAS No.: 563-78-0
• Molecular Formula: C6H12
• Molecular Weight: 84.1613
• Hs Code.: 29012980
• European Community (EC) Number: 209-262-2
• NSC Number: 73906
• UNII: 82885MLV85
• DSSTox Substance ID: DTXSID7073195
• Nikkaji Number: J43.469H
• Wikidata: Q27269319
• Mol file: 563-78-0.mol

Synonyms:2,3-DIMETHYL-1-BUTENE;563-78-0;2,3-Dimethylbut-1-ene;1-Butene, 2,3-dimethyl-;2,3-dimethylbutene;2,3-Dimethylbutene-1;27416-06-4;UNII-82885MLV85;EINECS 209-262-2;NSC 73906;NSC-73906;82885MLV85;EC 209-262-2;NSC73906;2,3-dimethyl butene;2-ISOPROPYLPROPENE;2,3-dimethyl-1-butylene;DTXSID7073195;(CH3)2CHC(CH3)=CH2;2,3-Dimethyl-1-butene, 97%;1-ISOPROPYL-1-METHYLETHYLENE;MFCD00008923;AKOS009156783;D1139;FT-0609689;D89792;EN300-123673;A831024;2,3-Dimethyl-1-butene, purum, >=98.0% (GC);Q27269319

Chemical Property of 2,3-Dimethyl-1-butene

Chemical Property:

• Appearance/Colour: Clear colourless to light yellow liquid
• Vapor Pressure: 412 mm Hg ( 37.7 °C)
• Melting Point: -157 °C
• Refractive Index: n20/D 1.389(lit.)
• Boiling Point: 55.8 °C at 760 mmHg
• Flash Point: ?1°F
• PSA: 0.00000
• Density: 0.685 g/cm³
• LogP: 2.21850
• Storage Temp.: Flammables area
• Solubility.: 0.079g/l
• Water Solubility.: <0.1 g/L (20℃)
• XLogP3: 2.8
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 1
• Exact Mass: 84.093900383
• Heavy Atom Count: 6
• Complexity: 51.1

Purity/Quality:

99% ^*data from raw suppliers

2,3-Dimethyl-1-butene ^*data from reagent suppliers

Safty Information:

• Pictogram(s): F,Xn
• Hazard Codes: F,Xn
• Statements: 11-65
• Safety Statements: 16-33-62-9

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Chemical Classes: Other Classes -> Aliphatics, Unsaturated
• Canonical SMILES: CC(C)C(=C)C
• Uses: 2,3-Dimethyl-1-butene is used in reactions to convert fatty acids to flavor compounds. It is also used in reactions with asymmetric glyoxylate to form α-hydroxy esters. 2,3-Dimethyl-1-butene was used to investigate the mechanism of the sulfur vulcanization of rubber.

Technology Process of 2,3-Dimethyl-1-butene

There total 139 articles about 2,3-Dimethyl-1-butene which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

aluminium trichloride (7446-70-0) + 2,3-dimethylbutan-2-ol (594-60-5) + benzene (71-43-2,26181-88-4,54682-86-9,13967-78-7,174973-66-1) → 2,3-Dimethyl-2-butene (563-79-1) + 2-chloro-2,3-dimethylbutane (594-57-0) + 2,3-dimethyl-2-phenylbutane (26356-11-6) + 2,3-Dimethyl-1-butene (563-78-0)

Guidance literature:

at 40 ℃; Produkt₅: 2,3-Dimethyl-butan, Produkt₆: tert-Butylbenzol;

DOI:10.1021/jo01134a002

Reference yield:

methanol (67-56-1) + 2-Bromo-3,3-dimethylbutane (26356-06-9) → 2,3-Dimethyl-2-butene (563-79-1) + tert-butylethylene (558-37-2) + methyl pinacolyl ether (25246-75-7) + 2,3-dimethyl-2-butyl methyl ether (26356-10-5) + 2,3-Dimethyl-1-butene (563-78-0)

Guidance literature:

With 2,6-dimethylpyridine; In methanol; at 70.1 ℃; for 1104h; Product distribution; other reaction time;

DOI:10.1021/jo01300a049

Reference yield:

2,3-Dimethyl-2-butene (563-79-1) + hexafluoroacetone azine (1619-84-7) → (CF3)2CNNHC(CF3)2CH2C(CH3)C(CH3)2 + 1,1,1,3,3,3-hexafluoropropane (690-39-1) + nitrogen (7727-37-9) + 2,3-Dimethyl-1-butene (563-78-0)

Guidance literature:

at 160°C (24 h), molar ratio of educts = 1:3; product containing 38% N2, 7% CF3CH2CF3, 10% (CH3)2CHC(CH3)CH2 and 43% (CF3)2CNNHC(CF3)2CH2C(CH3)C(CH3)2;

DOI:10.1016/S0022-1139(00)82866-3

upstream raw materials:

phthalic anhydride

3,3-dimethyl-2-butanol

benzenesulfonic acid

2,3-dimethyl-2,3-butane diol

Downstream raw materials:

2,3-dimethylbutane

2-chloro-2,3-dimethylbutane

2-isopropyl-3-butenoic acid

2,3-dimethyl-1,2-epoxybutane

Refernces

• 1、 Vattier, Florencia,Salazar, Veronica,Paneque, Margarita,Poveda, Manuel L.,Alvarez, Eleuterio. "Tautomerization of pyridine and 2-substituted pyridines to pyridylidene ligands by the iridium(I)-diene complex TpMe2Ir(η4- CH2=C(Me)C(Me)=CH2)". . p. 498 - 510. Retrieved 2014.
• 2、 Eberhardt,Griffin. "-". . p. 245,248,251. Retrieved 1970.
• 3、 Armitage, Gareth G.,Bonati, Matteo L. M.,Guo, Neng,Gaemers, Sander,Shabaker, John W.. "The methylation of alkenes to triptyls with dimethyl carbonate". . p. 370 - 374. Retrieved 2013.
• 4、 Bunnett,Eck. "-". . p. 1900,1901-1903. Retrieved 1973.
• 5、 Boukebbous,Merle,Larabi,Garron,Darwich,Laifa,Szeto,De Mallmann,Taoufik. "Silica supported copper nanoparticles prepared via surface organometallic chemistry: active catalysts for the selective hydrogenation of 2,3-dimethylbutadiene". . p. 427 - 431. Retrieved 2017.
• 6、 Dohmeier, Carsten,Mattes, Rainer,Schnoeckel, Hansgeorg. "Synthesis and Molecular Structure of the Cyclic Hexamer of 2,3-Dimethylbutene Aluminium Monochloride". . p. 358 - 359. Retrieved 1990.
• 7、 Bird, Robert,Kemball, Charles,Leach, H. Frank. "Reactions of Alkenes and the Equilibration of Hydrogen and Deuterium on Zirconia". . p. 3069 - 3082. Retrieved 1987.
• 8、 Rouge, Pascal,Garron, Anthony,Norsic, Sébastien,Larabi, Cherif,Merle, Nicolas,Delevoye, Laurent,Gauvin, Regis M.,Szeto, Kai C.,Taoufik, Mostafa. "A smarter approach to catalysts by design: Combining surface organometallic chemistry on oxide and metal gives selective catalysts for dehydrogenation of 2,3-dimethylbutane". . p. 21 - 26. Retrieved 2019/04/25.
• 9、 -. "Method for preparing 2,3-dimethyl-1-butene by dimerization of propylene". Paragraph 0026-0065. . Retrieved 2019/07/29.