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145491 Aldrich

2,3-Dimethyl-1,3-butadiene

98%, contains 100 ppm BHT as stabilizer

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Properties

Related Categories Acyclic, Alkenes, Building Blocks, Chemical Synthesis, Organic Building Blocks More...
vapor pressure   269 mmHg ( 37.7 °C)
InChI Key   SDJHPPZKZZWAKF-UHFFFAOYSA-N
assay   98%
contains   100 ppm BHT as stabilizer
refractive index   n20/D 1.438(lit.)
bp   68-69 °C(lit.)
mp   −76 °C(lit.)
density   0.726 g/mL at 25 °C(lit.)
storage temp.   2-8°C

Description

Packaging

10, 50 g in glass bottle

Application

2,3-Dimethyl-1,3-butadiene was used to investigate the reactions of 1,3-dienes with the Si(001) surface using scanning tunneling microscopy and fourier transform infrared spectroscopy.
It may be used in the following processes:
• Preparation of 1,3,6-triene derivatives of corresponding 1-aryl-substituted 1,3-dienes by 1,4-hydrobutadienylation in the presence of cobalt catalyst.
• Synthesis of 6-aryl(hetaryl)-3,4-dimethyl-1-nitro-1-cyano-3-cyclohexenes by reacting with gem-cyanonitroethenes.
• As a halogen trap during the study of the photolysis reaction of dibromo adduct of 2,5-diphenyltellurophene.

General description

2,3-Dimethyl-1,3-butadiene (DMBD) is a conjugated diene. It undergoes Diels Alder cycloaddition reaction with 2-thio-3-chloroacrylamides under thermal, catalytic and microwave conditions. It undergoes thermal [4+2] cycloaddition reaction with 3-acetyl-, 3-carbamoyl and 3-ethoxycarbonylcoumarins under solvent free conditions. DMBD participates in polymerization reactions in the presence of iron dichloride complexes based catalysts.

Price and Availability

Safety & Documentation

Safety Information

Symbol 
GHS02  GHS02
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 3295BE 3 / PGII
WGK Germany 
3
Flash Point(F) 
30.2 °F
Flash Point(C) 
-1 °C
Protocols & Articles

Articles

Diels–Alder Reaction

The Diels–Alder reaction is the reaction between a conjugated diene and an alkene (dienophile) to form unsaturated six-membered rings. Since the reaction involves the formation of a cyclic product vi...
Keywords: Addition reactions, Asymmetric synthesis, Building blocks, Catalysis, Cycloadditions, Diels-Alder reaction, Immobilization

Peer-Reviewed Papers
15

References

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