4-methyl-1-pentene

Structural formula
General
Surname	4-methyl-1-pentene
other names	4-methylpent-1-ene Isohexes
Molecular formula	C 6 H 12
Brief description	highly flammable, very volatile, colorless liquid
External identifiers / databases
CAS number 691-37-2 EC number 211-720-1 ECHA InfoCard 100.010.656 PubChem 12724 Wikidata Q229999
properties
Molar mass	84.16 g mol −1
Physical state	liquid
density	0.66 g cm −3
Melting point	−154 ° C
boiling point	54 ° C
Vapor pressure	293 h Pa (20 ° C)
solubility	practically insoluble in water (48 mg l −1 at 25 ° C) soluble in ethanol , benzene and chloroform
Refractive index	1.382 (20 ° C)
safety instructions
GHS labeling of hazardous substances danger H and P phrases H: 225-304 P: 210-301 + 310-331
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . Refractive index: Na-D line , 20 ° C

4-Methyl-1-pentene is a chemical compound from the group of aliphatic unsaturated hydrocarbons and hexenes .

Extraction and presentation

4-methyl-pentene-1 can be obtained by dimerization of propene are recovered.

use

4-Methyl-1-pentene is used as a monomer for the production of polymethylpentene .

safety instructions

The vapors of 4-methyl-1-pentene can form an explosive mixture with air ( flash point −31 ° C, ignition temperature 300 ° C).

Individual evidence

1. ↑ ^{a b c d e f g h i} Entry on 4-methyl-1-pentene in the GESTIS substance database of the IFA , accessed on February 13, 2017(JavaScript required) .
2. ↑ Data sheet 4-methyl-1-pentene from Matheson (PDF; 34 kB), accessed on January 23, 2016.
3. ↑ 4-Methyl-1-pentenes data sheet from Sigma-Aldrich , accessed on November 7, 2016 ( PDF ).
4. ↑ Dimerization of Propylene to 4-Methyl-1-Pentene with Catalysts Derived from Potassium