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M80806 Sigma-Aldrich

4-Methylstyrene

96%, contains 3,5-di-tert-butylcatechol as inhibitor

Synonym: 4-Vinyltoluene

  • CAS Number 622-97-9

  • Linear Formula CH3C6H4CH=CH2

  • Molecular Weight 118.18

  •  Beilstein Registry Number 1209317

  •  EC Number 210-762-8

  •  MDL number MFCD00008621

  •  PubChem Substance ID 24897220

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Properties

Related Categories Materials Science, Monomers, Polymer Science, Styrene and Functionalized Styrene Monomers
vapor pressure   <1 mmHg ( 20 °C)
InChI Key   JLBJTVDPSNHSKJ-UHFFFAOYSA-N
assay   96%
autoignition temp.   959 °F
contains   3,5-di-tert-butylcatechol as inhibitor
expl. lim.   5.3 %
refractive index   n20/D 1.542(lit.)
bp   170-175 °C(lit.)
density   0.897 g/mL at 25 °C(lit.)
storage temp.   2-8°C

Description

Packaging

10, 100, 500 mL in glass bottle

Application

4-Methylstyrene was employed as Π ligand in the preparation of cationic, two-coordinate triphenylphosphine-gold(I)-Π complexes.

General description

4-Methylstyrene is a molecule with an extended Π conjugation. The threefold symmetric torsional potential of 4-methylstyrene has been investigated. Polymerization of 4-methylstyrene by employing a half-metallocene type catalytic system composed of (trimethyl)pentamethylcyclopentadienyltitanium (Cp*TiMe3), trioctylaluminum (AlOct3), and tris(pentafluorophenyl)borane [B(C6F5)3] has been reported. Palladium-catalyzed Heck coupling of chlorobenzene with 4-methylstyrene has been investigated.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 2618 3 / PGIII
WGK Germany 
3
RTECS 
WL5076000
Flash Point(F) 
114.8 °F
Flash Point(C) 
46 °C

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Protocols & Articles

Articles

Heck Reaction

The Heck reaction is the palladium catalyzed cross-coupling reaction between alkenes, and aryl or vinyl halides (or triflates) to afford substituted alkenes.1,2 It is a useful carbon–carbon bond form...
Keywords: Asymmetric synthesis, Cancer, Catalysis, Coupling reactions, Cross couplings, Heck Reaction, Herbicides, Ligands, Organic synthesis, Solvents

Peer-Reviewed Papers
15

References

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