2,3-Dimethyl-1,3-butadiene

ALDRICH/145491 - 98%, contains 100 ppm BHT as stabilizer

CAS Number: 513-81-5
Empirical Formula (Hill Notation): C₆H₁₀
Molecular Weight: 82.14
EC Number: 208-172-0
MDL Number: MFCD00008595
Linear Formula: CH₂=C(CH₃)C(CH₃)=CH₂
Product Type: Chemical

Catalog Number	PKG Qty.	Price	Quantity


45-145491-10G	10 g	$126.00 1/EA		Add To Favorites
45-145491-50G	50 g	$318.00 1/EA		Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

assay	98%
bp	68-69 °C (lit.)
contains	100 ppm BHT as stabilizer
density	0.726 g/mL at 25 °C (lit.)
form	liquid
InChI	1S/C6H10/c1-5(2)6(3)4/h1,3H2,2,4H3
InChI key	SDJHPPZKZZWAKF-UHFFFAOYSA-N
mp	−76 °C (lit.)
Quality Level	200
refractive index	n20/D 1.438 (lit.)
SMILES string	CC(=C)C(C)=C
storage temp.	2-8°C
vapor pressure	269 mmHg ( 37.7 °C)

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.
Packaging:	10, 50 g in glass bottle

Symbol	GHS02
Signal word	Danger
Hazard statements	H225
Precautionary statements	P210
Hazard Codes	F
Risk Statements	11
Safety Statements	16-23
RIDADR	UN 3295BE 3 / PGII
WGK Germany	WGK 3
Flash Point(F)	30.2 °F - closed cup
Flash Point(C)	-1 °C - closed cup

Purity	98%
bp	68-69 °C (lit.)
mp	−76 °C (lit.)
Density	0.726 g/mL at 25 °C (lit.)
Refractive Index	n20/D 1.438 (lit.)
Storage Temp.	2-8°C
UNSPSC	12352100

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