Key Documents

View All Documentation

2-Methyl-2-butene

Name: 2-Methyl-2-butene
Brand: SIAL
Price: 156 USD
Availability: InStock

≥99%, purified by redistillation

Synonym(s):

β-Isoamylene, Amylene

Select a Size

Change View

Size/SKU	Availability	Price
100 mL	Check Cart for Availability	$156.00
500 mL	Check Cart for Availability	$315.00

About This Item

Linear Formula:

CH₃CH=C(CH₃)₂

CAS Number:

513-35-9

Molecular Weight:

70.13

UNSPSC Code:

12352100

NACRES:

NA.22

PubChem Substance ID:

57654373

EC Number:

208-156-3

Beilstein/REAXYS Number:

1361353

MDL number:

MFCD00009276

Assay:

≥99%

$156.00

Check Cart for Availability

Request a Custom Order

Technical Service

Need help? Our team of experienced scientists is here for you.

Let Us Assist

Properties

vapor density

2.4 (vs air)

Quality Segment

200

vapor pressure

25.09 psi ( 55 °C), 7.66 psi ( 20 °C)

assay

≥99%

purified by

redistillation

expl. lim.

8.7 %

refractive index

n20/D 1.385 (lit.)

bp

35-38 °C (lit.)

mp

−134 °C (lit.)

density

0.662 g/mL at 25 °C (lit.)

SMILES string

C\C=C(\C)C

InChI

1S/C5H10/c1-4-5(2)3/h4H,1-3H3

InChI key

BKOOMYPCSUNDGP-UHFFFAOYSA-N

Description

Application

2-Methyl-2-butene can be used:

For the cross metathesis reaction to form compounds with prenyl-type double bonds: methyl 10-methylundec-9-enoate, 2-methylundec-2-ene and 8-prenylcoumarins.
As a model of C5-branched alkene fuel to study the high-temperature kinetics of branched alkenes in a combustion environment.
As an additive along with pyridine for partial hydrogenation of poly-ynes to form ω-hydroxy polyunsaturated fatty acids.

Compare Similar Items

View Full Comparison

Show Differences

1 of 1

This Item	143820	86262	379263
Sigma-Aldrich M32704 2-Methyl-2-butene	Sigma-Aldrich 143820 2,4,4-Trimethyl-2-pentene	Sigma-Aldrich 86262 2-Methyl-2-butene	Sigma-Aldrich 379263 2-Methyl-2-butene
assay ≥99%	assay 99%	assay ≥95.0% (GC)	assay 90%
Quality Level 200	Quality Level 100	Quality Level 100	Quality Level 100
mp −134 °C (lit.)	mp −106.3-−106 °C (lit.)	mp −134 °C (lit.)	mp −134 °C (lit.)
density 0.662 g/mL at 25 °C (lit.)	density 0.72 g/mL at 25 °C (lit.)	density 0.662 g/mL at 25 °C (lit.)	density 0.662 g/mL at 25 °C (lit.)
refractive index n20/D 1.385 (lit.)	refractive index n20/D 1.416 (lit.)	refractive index n20/D 1.385 (lit.), n20/D 1.388	refractive index n20/D 1.385 (lit.)
bp 35-38 °C (lit.)	bp 104 °C (lit.)	bp 35-38 °C (lit.)	bp 35-38 °C (lit.)

Still not finding the right product?

Explore all of our products under 2-Methyl-2-butene

pictograms

GHS02,GHS08,GHS07,GHS09

signalword

Danger

hcodes

H224,H302,H304,H336,H341,H411

pcodes

P210 - P233 - P273 - P301 + P310 - P331 - P403 + P233

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2 - Asp. Tox. 1 - Flam. Liq. 1 - Muta. 2 - STOT SE 3

target_organs

Central nervous system

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

-4.0 °F

flash_point_c

-20 °C

ppe

Eyeshields, Faceshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

It looks like we've run into a problem, but you can still download Certificates of Analysis from our Documents section.

If you need assistance, please contact Customer Support

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.