3-methyl-1-butene

Structural formula
General
Surname	3-methyl-1-butene
other names	3-methylbut-1-en; Isopropylethylene;
Molecular formula	C 5 H 10
Brief description	colorless gas
External identifiers / databases
EC number	209-249-1
ECHA InfoCard	100.008.409
PubChem	11239
ChemSpider	10765
Wikidata	Q27147525
properties
Molar mass	70.13 g mol −1
Physical state	liquid or gaseous
density	0.63 g cm −3
Melting point	-168 ° C
boiling point	20 ° C
Vapor pressure	1150 hPa (20 ° C)
solubility	very sparingly soluble in water (0.13 g l −1 at 25 ° C); miscible with diethyl ether and ethanol;
safety instructions
H and P phrases	H: 224-304-315-319-335
	P: 210-261-301 + 310-305 + 351 + 338-331
	As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

3-Methyl-1-butene is a chemical compound from the group of aliphatic , unsaturated hydrocarbons .

Extraction and presentation

3-Methyl-1-butene can be obtained from the cracking reaction of petroleum . It is also possible to display 3-methyl-1-butanol over an aluminum-containing oxide.

properties

3-Methyl-1-butene is an extremely flammable, highly volatile, colorless gas that is very sparingly soluble in water. It has a critical temperature of 176.9 ° C, a critical pressure of 35.2 bar and a critical density of 0.234 g / cm³.

use

3-Methyl-1-butene is used as for the production of other chemical compounds (for example (-) - Linderol A or polymers ).

safety instructions

The vapors of 3-methyl-1-butene can form an explosive mixture with air ( flash point −58 ° C, ignition temperature 365 ° C).

Individual evidence

↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k Entry on 3-methyl-1-butene in the GESTIS substance database of the IFA , accessed on January 12, 2019(JavaScript required) .
↑ David R. Lide: CRC Handbook of Chemistry and Physics A Ready-reference Book of Chemical and Physical Data . CRC Press, 1995, ISBN 978-0-8493-0595-5 , pp. 374 ( limited preview in Google Book search).
↑ Entry on 3-methyl-1-butene in the Hazardous Substances Data Bank , accessed January 12, 2019.
↑ Google Patents: US20120136190A1 - Production of 3-methylbut-1-en by means of dehydration of 3-methylbutane-1-ol - Google Patents , accessed January 12, 2019
↑ M. Yamashita, ND Yadav, T. Sawaki, I. Takao, I. Kawasaki, Y. Sugimoto, A. Miyatake, K. Murai, A. Takahara, A. Kurume, S. Ohta: Asymmetric total synthesis of (- ) -Linderol A. In: The Journal of organic chemistry. Volume 72, Number 15, July 2007, pp. 5697-5703, doi : 10.1021 / jo070682 + , PMID 17579456 .
↑ Google Patents: US3457320A - Production of 3-methyl-1-butene - Google Patents , accessed January 12, 2019
↑ Data sheet 3-methyl-1-butene, 95% from Sigma-Aldrich , accessed on January 12, 2019 ( PDF ).

[GESTIS-1] ↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k Entry on 3-methyl-1-butene in the GESTIS substance database of the IFA , accessed on January 12, 2019(JavaScript required) .

[David_R._Lide-2] David R. Lide: CRC Handbook of Chemistry and Physics A Ready-reference Book of Chemical and Physical Data . CRC Press, 1995, ISBN 978-0-8493-0595-5 , pp. 374 ( limited preview in Google Book search).

[HSDB-3] Entry on 3-methyl-1-butene in the Hazardous Substances Data Bank , accessed January 12, 2019.

[google.com2-4] Google Patents: US20120136190A1 - Production of 3-methylbut-1-en by means of dehydration of 3-methylbutane-1-ol - Google Patents , accessed January 12, 2019

[PMID_17579456-5] M. Yamashita, ND Yadav, T. Sawaki, I. Takao, I. Kawasaki, Y. Sugimoto, A. Miyatake, K. Murai, A. Takahara, A. Kurume, S. Ohta: Asymmetric total synthesis of (- ) -Linderol A. In: The Journal of organic chemistry. Volume 72, Number 15, July 2007, pp. 5697-5703, doi : 10.1021 / jo070682 + , PMID 17579456 .

[google.com-6] Google Patents: US3457320A - Production of 3-methyl-1-butene - Google Patents , accessed January 12, 2019

[Sigma-7] Data sheet 3-methyl-1-butene, 95% from Sigma-Aldrich , accessed on January 12, 2019 ( PDF ).